diff --git a/sources/PocketBook/Applicative_VM/ScanMenuVM.cs b/sources/PocketBook/Applicative_VM/ScanMenuVM.cs
index 15b1e0e..9a1c954 100644
--- a/sources/PocketBook/Applicative_VM/ScanMenuVM.cs
+++ b/sources/PocketBook/Applicative_VM/ScanMenuVM.cs
@@ -4,6 +4,7 @@ using System.Diagnostics;
 using System.Runtime.CompilerServices;
 using System.Windows.Input;
 using MyToolkitMVVM;
+using ViewModel;
 
 namespace PocketBook.Applicative_VM
 {
@@ -11,6 +12,7 @@ namespace PocketBook.Applicative_VM
     {
         public ICommand ShowScanMenu { get; private set; }
         public ICommand ModalISBN { get; private set; }
+        public ManagerVM Manager { get; private set; }
 
         private bool scanMenuIsVisible;
 
@@ -20,15 +22,19 @@ namespace PocketBook.Applicative_VM
             set => SetProperty(ref scanMenuIsVisible,value);   
         }
 
-        public ScanMenuVM()
+        public ScanMenuVM(ManagerVM manager)
         {
+            Manager = manager;
             ShowScanMenu = new Command(() =>
             {
                 ScanMenuIsVisible = !ScanMenuIsVisible;
             });
             ModalISBN = new Command(
-                async () => await App.Current.MainPage.DisplayPromptAsync("Ajout d'un livre par ISBN", "Entrez l'ISBN présent sur votre livre pour l'ajouter à votre librarie")
-            );
+                async () => {
+                    string isbn = await App.Current.MainPage.DisplayPromptAsync("Ajout d'un livre par ISBN", "Entrez l'ISBN présent sur votre livre pour l'ajouter à votre librarie");
+                    if (isbn != null) { Manager.AddBookByISBN(isbn); }
+                }
+            ); ;
         }
     }
 }
diff --git a/sources/ViewModel/ManagerVM.cs b/sources/ViewModel/ManagerVM.cs
index 7a2de13..7d25e93 100644
--- a/sources/ViewModel/ManagerVM.cs
+++ b/sources/ViewModel/ManagerVM.cs
@@ -83,8 +83,10 @@ public class ManagerVM : BaseViewModel<Manager>
     {
         OnPropertyChanged(nameof(GroupedBooks));
         OnPropertyChanged(nameof(GroupedLaterBooks));
+        OnPropertyChanged(nameof(Books));
+        OnPropertyChanged(nameof(books));
         //NbBookLater=books.Where(book => book.BookStatus == Status.ToBeRead).Count();
-        Debug.WriteLine(NbBookLater);
+        //Debug.WriteLine(NbBookLater);
     }
 
     public ManagerVM(Manager model) : base(model)
@@ -93,6 +95,19 @@ public class ManagerVM : BaseViewModel<Manager>
         Books = new ReadOnlyObservableCollection<BookVM>(books);
     }
 
+    public void AddBookByISBN(string isbn)
+    {
+        var result= Model.GetBookByISBN(isbn).Result;
+        if (result != null) {
+            Debug.WriteLine(result.ToString());
+            //books.Add(new BookVM(result));
+            Model.AddBookToCollection(result.Id);
+            LoadBooksFromManager();
+            Refresh();
+        }
+    }
+
+
     public int Index
     {
         get => index;