diff --git a/app/src/main/java/com/pixelized/biblib/repository/apiCache/APICacheRepository.kt b/app/src/main/java/com/pixelized/biblib/repository/apiCache/APICacheRepository.kt
index baaf092..2a408c6 100644
--- a/app/src/main/java/com/pixelized/biblib/repository/apiCache/APICacheRepository.kt
+++ b/app/src/main/java/com/pixelized/biblib/repository/apiCache/APICacheRepository.kt
@@ -14,20 +14,11 @@ class APICacheRepository : IAPICacheRepository {
         get() = preferences.new?.let { gson.fromJson(it, BookListResponse::class.java) }
         set(value) = gson.toJson(value).let { preferences.new = it }
 
-    override var list: BookListResponse?
-        get() = preferences.list?.let { gson.fromJson(it, BookListResponse::class.java) }
-        set(value) = gson.toJson(value).let { preferences.list = it }
-
     private var SharedPreferences.new: String?
         get() = getString(NEW, null)
         set(value) = edit { putString(NEW, value) }
 
-    private var SharedPreferences.list: String?
-        get() = getString(LIST, null)
-        set(value) = edit { putString(LIST, value) }
-
     companion object {
         const val NEW = "NEW"
-        const val LIST = "LIST"
     }
 }
\ No newline at end of file
diff --git a/app/src/main/java/com/pixelized/biblib/repository/apiCache/IAPICacheRepository.kt b/app/src/main/java/com/pixelized/biblib/repository/apiCache/IAPICacheRepository.kt
index 0e9b365..69e20ed 100644
--- a/app/src/main/java/com/pixelized/biblib/repository/apiCache/IAPICacheRepository.kt
+++ b/app/src/main/java/com/pixelized/biblib/repository/apiCache/IAPICacheRepository.kt
@@ -4,5 +4,4 @@ import com.pixelized.biblib.network.data.response.BookListResponse
 
 interface IAPICacheRepository {
     var new: BookListResponse?
-    var list: BookListResponse?
 }
\ No newline at end of file
diff --git a/app/src/main/java/com/pixelized/biblib/ui/composable/items/dialog/LoadingCard.kt b/app/src/main/java/com/pixelized/biblib/ui/composable/items/dialog/LoadingCard.kt
index 5459465..0573c57 100644
--- a/app/src/main/java/com/pixelized/biblib/ui/composable/items/dialog/LoadingCard.kt
+++ b/app/src/main/java/com/pixelized/biblib/ui/composable/items/dialog/LoadingCard.kt
@@ -52,7 +52,7 @@ fun LoadingCard(
 private fun LoadingCardLightPreview() {
     BibLibTheme(darkTheme = false) {
         LoadingCard(
-            message = stringResource(id = R.string.loading)
+            message = stringResource(id = R.string.loading_authentication)
         )
     }
 }
@@ -62,7 +62,7 @@ private fun LoadingCardLightPreview() {
 private fun LoadingCardDarkPreview() {
     BibLibTheme(darkTheme = true) {
         LoadingCard(
-            message = stringResource(id = R.string.loading)
+            message = stringResource(id = R.string.loading_book)
         )
     }
 }
\ No newline at end of file
diff --git a/app/src/main/java/com/pixelized/biblib/ui/composable/items/dialog/SuccesCard.kt b/app/src/main/java/com/pixelized/biblib/ui/composable/items/dialog/SuccesCard.kt
index e074f41..4990b52 100644
--- a/app/src/main/java/com/pixelized/biblib/ui/composable/items/dialog/SuccesCard.kt
+++ b/app/src/main/java/com/pixelized/biblib/ui/composable/items/dialog/SuccesCard.kt
@@ -60,7 +60,7 @@ fun SuccessCard(
 @Composable
 private fun SuccessLightPreview() {
     BibLibTheme(darkTheme = false) {
-        SuccessCard(message = stringResource(id = R.string.authentication_success))
+        SuccessCard(message = stringResource(id = R.string.success_authentication))
     }
 }
 
@@ -68,6 +68,6 @@ private fun SuccessLightPreview() {
 @Composable
 private fun SuccessDarkPreview() {
     BibLibTheme(darkTheme = true) {
-        SuccessCard(message = stringResource(id = R.string.authentication_success))
+        SuccessCard(message = stringResource(id = R.string.success_authentication))
     }
 }
\ No newline at end of file
diff --git a/app/src/main/java/com/pixelized/biblib/ui/composable/screen/LoginScreenComposable.kt b/app/src/main/java/com/pixelized/biblib/ui/composable/screen/LoginScreenComposable.kt
index 61c5790..b4770bb 100644
--- a/app/src/main/java/com/pixelized/biblib/ui/composable/screen/LoginScreenComposable.kt
+++ b/app/src/main/java/com/pixelized/biblib/ui/composable/screen/LoginScreenComposable.kt
@@ -45,15 +45,19 @@ import com.pixelized.biblib.ui.composable.items.dialog.SuccessCard
 import com.pixelized.biblib.ui.theme.BibLibTheme
 import com.pixelized.biblib.ui.viewmodel.authentication.AuthenticationViewModel
 import com.pixelized.biblib.ui.viewmodel.authentication.IAuthentication
+import com.pixelized.biblib.ui.viewmodel.initialisation.IInitialisation
+import com.pixelized.biblib.ui.viewmodel.initialisation.InitialisationViewModel
 import com.pixelized.biblib.ui.viewmodel.navigation.INavigation
 import com.pixelized.biblib.ui.viewmodel.navigation.NavigationViewModel
-import kotlinx.coroutines.delay
 
 
+private const val LE_LOAD_BOOK = "LE_LOAD_BOOK"
+
 @Composable
 fun LoginScreenComposable(
     navigation: INavigation = viewModel<NavigationViewModel>(),
     authentication: IAuthentication = viewModel<AuthenticationViewModel>(),
+    initialisation: IInitialisation = viewModel<InitialisationViewModel>()
 ) {
     Box(
         modifier = Modifier
@@ -61,10 +65,10 @@ fun LoginScreenComposable(
             .fillMaxHeight()
     ) {
         authentication.PrepareLoginWithGoogle()
-        LoginScreenNavigationComposable(navigation, authentication)
+        LoginScreenNavigationComposable(navigation, authentication, initialisation)
 
         LoginScreenContentComposable(authentication)
-        LoginScreenDialogComposable(authentication)
+        LoginScreenDialogComposable(authentication, initialisation)
     }
 }
 
@@ -91,49 +95,87 @@ private fun LoginScreenContentComposable(
 @OptIn(ExperimentalAnimationApi::class)
 @Composable
 private fun LoginScreenDialogComposable(
-    authentication: IAuthentication
+    authentication: IAuthentication,
+    initialisation: IInitialisation,
 ) {
-    val state = authentication.state.observeAsState()
+    val authenticationState = authentication.state.observeAsState()
+    val bookLoadingState = initialisation.state.observeAsState()
+
     CrossFadeOverlay(
         modifier = Modifier.clickable {
-            if (state.value is IAuthentication.State.Error) {
+            if (authenticationState.value is IAuthentication.State.Error) {
                 authentication.clearState()
             }
         },
-        visible = (state.value is IAuthentication.State.Initial).not()
+        visible = (authenticationState.value is IAuthentication.State.Initial
+                && bookLoadingState.value is IInitialisation.State.Initial).not()
     ) {
         AnimatedVisibility(
             modifier = Modifier.align(Alignment.Center),
-            visible = state.value is IAuthentication.State.Error,
+            visible = authenticationState.value is IAuthentication.State.Error,
             initiallyVisible = false,
             enter = expandVertically(Alignment.CenterVertically),
             exit = shrinkVertically(Alignment.CenterVertically),
         ) {
             ErrorCard(
                 message = stringResource(id = R.string.error_generic),
-                exception = (state.value as? IAuthentication.State.Error)?.exception
+                exception = (authenticationState.value as? IAuthentication.State.Error)?.exception
             )
         }
         AnimatedVisibility(
             modifier = Modifier.align(Alignment.Center),
-            visible = state.value is IAuthentication.State.Loading,
+            visible = authenticationState.value is IAuthentication.State.Loading,
             initiallyVisible = false,
             enter = expandVertically(Alignment.CenterVertically),
             exit = shrinkVertically(Alignment.CenterVertically),
         ) {
             LoadingCard(
-                message = stringResource(id = R.string.loading)
+                message = stringResource(id = R.string.loading_authentication)
             )
         }
         AnimatedVisibility(
             modifier = Modifier.align(Alignment.Center),
-            visible = state.value is IAuthentication.State.Connect,
+            visible = authenticationState.value is IAuthentication.State.Connect,
             initiallyVisible = false,
             enter = expandVertically(Alignment.CenterVertically),
             exit = shrinkVertically(Alignment.CenterVertically),
         ) {
             SuccessCard(
-                message = stringResource(id = R.string.authentication_success)
+                message = stringResource(id = R.string.success_authentication)
+            )
+        }
+        AnimatedVisibility(
+            modifier = Modifier.align(Alignment.Center),
+            visible = bookLoadingState.value is IInitialisation.State.Error,
+            initiallyVisible = false,
+            enter = expandVertically(Alignment.CenterVertically),
+            exit = shrinkVertically(Alignment.CenterVertically),
+        ) {
+            ErrorCard(
+                message = stringResource(id = R.string.error_generic),
+                exception = (bookLoadingState.value as? IInitialisation.State.Error)?.exception
+            )
+        }
+        AnimatedVisibility(
+            modifier = Modifier.align(Alignment.Center),
+            visible = bookLoadingState.value is IInitialisation.State.Loading,
+            initiallyVisible = false,
+            enter = expandVertically(Alignment.CenterVertically),
+            exit = shrinkVertically(Alignment.CenterVertically),
+        ) {
+            LoadingCard(
+                message = stringResource(id = R.string.loading_book)
+            )
+        }
+        AnimatedVisibility(
+            modifier = Modifier.align(Alignment.Center),
+            visible = bookLoadingState.value is IInitialisation.State.Finished,
+            initiallyVisible = false,
+            enter = expandVertically(Alignment.CenterVertically),
+            exit = shrinkVertically(Alignment.CenterVertically),
+        ) {
+            SuccessCard(
+                message = stringResource(id = R.string.success_book)
             )
         }
     }
@@ -142,15 +184,21 @@ private fun LoginScreenDialogComposable(
 @Composable
 private fun LoginScreenNavigationComposable(
     navigation: INavigation,
-    authentication: IAuthentication
+    authentication: IAuthentication,
+    initialisation: IInitialisation,
 ) {
-    val state = authentication.state.observeAsState()
-    if (state.value == IAuthentication.State.Connect) {
-        LaunchedEffect(key1 = "navigateTo(MainScreen)") {
-            delay(1000)
-            navigation.navigateTo(INavigation.Screen.MainScreen)
+    val authenticationState = authentication.state.observeAsState()
+    val bookLoadingState = initialisation.state.observeAsState()
+
+    if (authenticationState.value == IAuthentication.State.Connect) {
+        LaunchedEffect(LE_LOAD_BOOK) {
+            initialisation.loadBook()
         }
     }
+
+    if (bookLoadingState.value is IInitialisation.State.Finished) {
+        navigation.navigateTo(INavigation.Screen.MainScreen)
+    }
 }
 
 @Composable
@@ -317,6 +365,7 @@ fun LoginScreenComposablePreview() {
     BibLibTheme {
         val navigationViewModel = INavigation.Mock()
         val authenticationViewModel = IAuthentication.Mock()
-        LoginScreenComposable(navigationViewModel, authenticationViewModel)
+        val initialisation = IInitialisation.Mock()
+        LoginScreenComposable(navigationViewModel, authenticationViewModel, initialisation)
     }
 }
\ No newline at end of file
diff --git a/app/src/main/java/com/pixelized/biblib/ui/composable/screen/SplashScreenComposable.kt b/app/src/main/java/com/pixelized/biblib/ui/composable/screen/SplashScreenComposable.kt
index 33b3f0a..43e1677 100644
--- a/app/src/main/java/com/pixelized/biblib/ui/composable/screen/SplashScreenComposable.kt
+++ b/app/src/main/java/com/pixelized/biblib/ui/composable/screen/SplashScreenComposable.kt
@@ -2,11 +2,14 @@ package com.pixelized.biblib.ui.composable.screen
 
 import androidx.compose.animation.*
 import androidx.compose.animation.core.tween
+import androidx.compose.foundation.clickable
 import androidx.compose.foundation.layout.*
 import androidx.compose.material.MaterialTheme
 import androidx.compose.material.Text
 import androidx.compose.runtime.Composable
 import androidx.compose.runtime.LaunchedEffect
+import androidx.compose.runtime.getValue
+import androidx.compose.runtime.livedata.observeAsState
 import androidx.compose.ui.Alignment
 import androidx.compose.ui.Modifier
 import androidx.compose.ui.res.stringResource
@@ -15,6 +18,8 @@ import androidx.compose.ui.unit.dp
 import androidx.lifecycle.viewmodel.compose.viewModel
 import com.pixelized.biblib.BuildConfig
 import com.pixelized.biblib.R
+import com.pixelized.biblib.ui.composable.items.dialog.CrossFadeOverlay
+import com.pixelized.biblib.ui.composable.items.dialog.ErrorCard
 import com.pixelized.biblib.ui.theme.BibLibTheme
 import com.pixelized.biblib.ui.viewmodel.initialisation.IInitialisation
 import com.pixelized.biblib.ui.viewmodel.initialisation.InitialisationViewModel
@@ -23,12 +28,16 @@ import com.pixelized.biblib.ui.viewmodel.navigation.NavigationViewModel
 import kotlinx.coroutines.delay
 import java.util.*
 
+private const val ANIMATION_DURATION = 1000
+private const val LAUNCH_EFFECT_LOAD_APPLICATION = "LoadApplication"
 
 @Preview
 @Composable
 fun SplashScreenComposablePreview() {
     BibLibTheme {
-        SplashScreenComposable(IInitialisation.Mock(), INavigation.Mock())
+        val initialisation = IInitialisation.Mock(IInitialisation.State.Loading)
+        val navigation = INavigation.Mock()
+        SplashScreenComposable(initialisation, navigation, true)
     }
 }
 
@@ -36,92 +45,138 @@ fun SplashScreenComposablePreview() {
 @Composable
 fun SplashScreenComposable(
     initialisation: IInitialisation = viewModel<InitialisationViewModel>(),
-    navigation: INavigation = viewModel<NavigationViewModel>()
+    navigation: INavigation = viewModel<NavigationViewModel>(),
+    initiallyVisible: Boolean = false,
+) {
+    val state by initialisation.state.observeAsState()
+
+    LaunchedEffect(LAUNCH_EFFECT_LOAD_APPLICATION) {
+        initialisation.loadApplication()
+    }
+
+    ContentComposable(state = state, initiallyVisible = initiallyVisible)
+    DialogComposable(state = state)
+    NavigationComposable(navigation = navigation, state = state)
+}
+
+@OptIn(ExperimentalAnimationApi::class)
+@Composable
+private fun ContentComposable(
+    state: IInitialisation.State?,
+    duration: Int = ANIMATION_DURATION,
+    initiallyVisible: Boolean = false,
 ) {
-    val duration = 1000
     val typography = MaterialTheme.typography
-    initialisation.LoadApplication {
-        val visible = it !is IInitialisation.State.Finished
+    val visible = state !is IInitialisation.State.Finished
 
-        Box(
+    Box(
+        modifier = Modifier
+            .fillMaxHeight()
+            .fillMaxWidth()
+            .padding(16.dp),
+    ) {
+        Column(
             modifier = Modifier
-                .fillMaxHeight()
-                .fillMaxWidth()
-                .padding(16.dp),
+                .width(240.dp)
+                .align(Alignment.Center)
         ) {
-            Column(
-                modifier = Modifier
-                    .width(240.dp)
-                    .align(Alignment.Center)
-            ) {
-                AnimatedVisibility(
-                    visible = visible,
-                    initiallyVisible = false,
-                    enter = fadeIn(animationSpec = tween(duration))
-                            + slideInVertically(
-                        initialOffsetY = { height -> -height },
-                        animationSpec = tween(duration)
-                    ),
-                    exit = fadeOut(animationSpec = tween(duration))
-                            + slideOutVertically(
-                        targetOffsetY = { height -> -height },
-                        animationSpec = tween(duration)
-                    ),
-                ) {
-                    Text(
-                        style = typography.h4,
-                        text = "Welcome to"
-                    )
-                }
-                AnimatedVisibility(
-                    modifier = Modifier.align(Alignment.End),
-                    visible = visible,
-                    initiallyVisible = false,
-                    enter = fadeIn(animationSpec = tween(duration))
-                            + slideInVertically(
-                        initialOffsetY = { height -> height },
-                        animationSpec = tween(duration)
-                    ),
-                    exit = fadeOut(animationSpec = tween(duration))
-                            + slideOutVertically(
-                        targetOffsetY = { height -> height },
-                        animationSpec = tween(duration)
-                    ),
-                ) {
-                    Text(
-                        style = typography.h4,
-                        text = stringResource(id = R.string.app_name)
-                    )
-                }
-            }
-
             AnimatedVisibility(
-                modifier = Modifier.align(Alignment.BottomEnd),
                 visible = visible,
-                enter = fadeIn(animationSpec = tween(duration)),
-                exit = fadeOut(animationSpec = tween(duration)),
+                initiallyVisible = initiallyVisible,
+                enter = fadeIn(animationSpec = tween(duration))
+                        + slideInVertically(
+                    initialOffsetY = { height -> -height },
+                    animationSpec = tween(duration)
+                ),
+                exit = fadeOut(animationSpec = tween(duration))
+                        + slideOutVertically(
+                    targetOffsetY = { height -> -height },
+                    animationSpec = tween(duration)
+                ),
             ) {
                 Text(
-                    style = typography.caption,
-                    text = stringResource(
-                        R.string.app_version,
-                        BuildConfig.BUILD_TYPE.toUpperCase(Locale.getDefault()),
-                        BuildConfig.VERSION_NAME,
-                        BuildConfig.VERSION_CODE
-                    )
+                    style = typography.h4,
+                    text = "Welcome to"
+                )
+            }
+            AnimatedVisibility(
+                modifier = Modifier.align(Alignment.End),
+                visible = visible,
+                initiallyVisible = initiallyVisible,
+                enter = fadeIn(animationSpec = tween(duration))
+                        + slideInVertically(
+                    initialOffsetY = { height -> height },
+                    animationSpec = tween(duration)
+                ),
+                exit = fadeOut(animationSpec = tween(duration))
+                        + slideOutVertically(
+                    targetOffsetY = { height -> height },
+                    animationSpec = tween(duration)
+                ),
+            ) {
+                Text(
+                    style = typography.h4,
+                    text = stringResource(id = R.string.app_name)
                 )
             }
         }
 
-        if (it is IInitialisation.State.Finished) {
-            LaunchedEffect(key1 = "SplashScreen.navigateTo()") {
-                delay(1000)
-                if (it.needLogin) {
-                    navigation.navigateTo(INavigation.Screen.LoginScreen)
-                } else {
-                    navigation.navigateTo(INavigation.Screen.MainScreen)
-                }
-            }
+        AnimatedVisibility(
+            modifier = Modifier.align(Alignment.BottomEnd),
+            visible = visible,
+            initiallyVisible = initiallyVisible,
+            enter = fadeIn(animationSpec = tween(duration)),
+            exit = fadeOut(animationSpec = tween(duration)),
+        ) {
+            Text(
+                style = typography.caption,
+                text = stringResource(
+                    R.string.app_version,
+                    BuildConfig.BUILD_TYPE.toUpperCase(Locale.getDefault()),
+                    BuildConfig.VERSION_NAME,
+                    BuildConfig.VERSION_CODE
+                )
+            )
         }
     }
 }
+
+@OptIn(ExperimentalAnimationApi::class)
+@Composable
+private fun DialogComposable(state: IInitialisation.State?) {
+    CrossFadeOverlay(
+        modifier = Modifier.clickable {},
+        visible = state is IInitialisation.State.Error
+    ) {
+        AnimatedVisibility(
+            modifier = Modifier.align(Alignment.Center),
+            visible = true,
+            initiallyVisible = false,
+            enter = expandVertically(Alignment.CenterVertically),
+            exit = shrinkVertically(Alignment.CenterVertically),
+        ) {
+            ErrorCard(
+                message = stringResource(id = R.string.error_generic),
+                exception = (state as? IInitialisation.State.Error)?.exception
+            )
+        }
+    }
+}
+
+@Composable
+private fun NavigationComposable(
+    navigation: INavigation,
+    state: IInitialisation.State?,
+    duration: Int = ANIMATION_DURATION,
+) {
+    if (state is IInitialisation.State.Finished) {
+        LaunchedEffect(key1 = "SplashScreen.navigateTo()") {
+            delay(duration.toLong())
+            if (state.needLogin) {
+                navigation.navigateTo(INavigation.Screen.LoginScreen)
+            } else {
+                navigation.navigateTo(INavigation.Screen.MainScreen)
+            }
+        }
+    }
+}
\ No newline at end of file
diff --git a/app/src/main/java/com/pixelized/biblib/ui/viewmodel/initialisation/IInitialisation.kt b/app/src/main/java/com/pixelized/biblib/ui/viewmodel/initialisation/IInitialisation.kt
index 589043c..4d9d250 100644
--- a/app/src/main/java/com/pixelized/biblib/ui/viewmodel/initialisation/IInitialisation.kt
+++ b/app/src/main/java/com/pixelized/biblib/ui/viewmodel/initialisation/IInitialisation.kt
@@ -1,25 +1,35 @@
 package com.pixelized.biblib.ui.viewmodel.initialisation
 
-import androidx.compose.runtime.Composable
+import androidx.compose.runtime.Stable
+import androidx.lifecycle.LiveData
+import androidx.lifecycle.MutableLiveData
 
 interface IInitialisation {
 
-    @Composable
-    fun LoadApplication(content: @Composable (State) -> Unit)
+    val state: LiveData<State>
 
-    @Composable
-    fun LoadBook(content: @Composable (State) -> Unit)
+    fun loadApplication()
 
+    fun loadBook()
+
+    @Stable
     sealed class State {
+        @Stable
         object Initial : State()
+
+        @Stable
         object Loading : State()
+
+        @Stable
         class Finished(val needLogin: Boolean) : State()
+
+        @Stable
+        class Error(val exception: Exception) : State()
     }
 
-    class Mock(private val state: State = State.Loading) : IInitialisation {
-        @Composable
-        override fun LoadApplication(content: (State) -> Unit) = content(state)
-        @Composable
-        override fun LoadBook(content: (State) -> Unit) = content(state)
+    class Mock(private val value: State = State.Initial) : IInitialisation {
+        override val state get() = MutableLiveData(value)
+        override fun loadApplication() = Unit
+        override fun loadBook() = Unit
     }
 }
\ No newline at end of file
diff --git a/app/src/main/java/com/pixelized/biblib/ui/viewmodel/initialisation/InitialisationViewModel.kt b/app/src/main/java/com/pixelized/biblib/ui/viewmodel/initialisation/InitialisationViewModel.kt
index 64abc53..f3534a7 100644
--- a/app/src/main/java/com/pixelized/biblib/ui/viewmodel/initialisation/InitialisationViewModel.kt
+++ b/app/src/main/java/com/pixelized/biblib/ui/viewmodel/initialisation/InitialisationViewModel.kt
@@ -1,7 +1,9 @@
 package com.pixelized.biblib.ui.viewmodel.initialisation
 
-import androidx.compose.runtime.*
+import androidx.lifecycle.LiveData
+import androidx.lifecycle.MutableLiveData
 import androidx.lifecycle.ViewModel
+import androidx.lifecycle.viewModelScope
 import com.pixelized.biblib.network.client.IBibLibClient
 import com.pixelized.biblib.network.data.query.AuthLoginQuery
 import com.pixelized.biblib.network.factory.BookFactory
@@ -11,7 +13,10 @@ import com.pixelized.biblib.repository.credential.ICredentialRepository
 import com.pixelized.biblib.repository.googleSignIn.IGoogleSingInRepository
 import com.pixelized.biblib.ui.viewmodel.initialisation.IInitialisation.State.*
 import com.pixelized.biblib.utils.injection.inject
+import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.delay
+import kotlinx.coroutines.launch
+
 
 class InitialisationViewModel : ViewModel(), IInitialisation {
     private val credentialRepository: ICredentialRepository by inject()
@@ -20,33 +25,37 @@ class InitialisationViewModel : ViewModel(), IInitialisation {
     private val client: IBibLibClient by inject()
     private val apiCache: IAPICacheRepository by inject()
 
-    @Composable
-    override fun LoadApplication(content: @Composable (IInitialisation.State) -> Unit) {
-        val state: MutableState<IInitialisation.State> = remember { mutableStateOf(Initial) }
+    private val _state = MutableLiveData<IInitialisation.State>()
+    override val state: LiveData<IInitialisation.State> get() = _state
 
-        LaunchedEffect(key1 = "LoadApplication") {
-            state.value = Loading
+    override fun loadApplication() {
+        viewModelScope.launch(Dispatchers.IO) {
+            _state.postValue(Initial)
+            _state.postValue(Loading)
             delay(2000)
-
-            val loggedIn = loginWithGoogle() || loginWithCredential()
-            if (loggedIn) {
-                loadNewBooks() && loadAllBooks()
+            try {
+                val loggedIn = loginWithGoogle() || loginWithCredential()
+                if (loggedIn) {
+                    loadNewBooks() && loadAllBooks()
+                }
+                _state.postValue(Finished(needLogin = loggedIn.not()))
+            } catch (exception: Exception) {
+                _state.postValue(Error(exception))
             }
-            state.value = Finished(needLogin = loggedIn.not())
         }
-
-        content(state.value)
     }
 
-    @Composable
-    override fun LoadBook(content: (IInitialisation.State) -> Unit) {
-        val state: MutableState<IInitialisation.State> = remember { mutableStateOf(Initial) }
-        LaunchedEffect(key1 = "LoadBook") {
-            state.value = Loading
-            loadNewBooks() && loadAllBooks()
-            state.value = Finished(needLogin = false)
+    override fun loadBook() {
+        viewModelScope.launch(Dispatchers.IO) {
+            _state.postValue(Initial)
+            _state.postValue(Loading)
+            try {
+                loadNewBooks() && loadAllBooks()
+                _state.postValue(Finished(needLogin = false))
+            } catch (exception: Exception) {
+                _state.postValue(Error(exception))
+            }
         }
-        content(state.value)
     }
 
     private suspend fun loginWithGoogle(): Boolean {
@@ -104,9 +113,6 @@ class InitialisationViewModel : ViewModel(), IInitialisation {
 
     private suspend fun loadAllBooks(): Boolean {
         client.service.list().let { response ->
-            // TODO: useless isn't it ?
-            apiCache.list = response
-
             val factory = BookFactory()
             val books = response.data?.map { dto -> factory.fromListResponseToBook(dto, false) }
             books?.let { data -> bookRepository.update(data) }
diff --git a/app/src/main/res/values/strings.xml b/app/src/main/res/values/strings.xml
index cff90d3..4f77ddd 100644
--- a/app/src/main/res/values/strings.xml
+++ b/app/src/main/res/values/strings.xml
@@ -9,16 +9,17 @@
     <string name="action_send">SEND</string>
     <string name="action_google_sign_in">Sign in with Google</string>
 
-    <string name="loading">Entering the Imperial Library of Trantor.</string>
-
     <string name="error_generic">Oops!</string>
+    <string name="loading_authentication">Entering the Imperial Library of Trantor.</string>
+    <string name="loading_book">Entering the Imperial Library of Trantor.</string>
+    <string name="success_authentication">Authentication successful</string>
+    <string name="success_book">Library successfully loaded</string>
 
     <string name="welcome_sign_in">Sign in to BibLib</string>
 
     <string name="authentication_login">Login</string>
     <string name="authentication_password">Password</string>
     <string name="authentication_credential_remember">Remember my credential</string>
-    <string name="authentication_success">Authentication successful</string>
 
     <string name="detail_rating">Rating</string>
     <string name="detail_language">Language</string>