diff --git a/AideDeJeu/AideDeJeu/Models/Item.cs b/AideDeJeu/AideDeJeu/Models/Item.cs
index 2f7a4eba..f130fb7b 100644
--- a/AideDeJeu/AideDeJeu/Models/Item.cs
+++ b/AideDeJeu/AideDeJeu/Models/Item.cs
@@ -5,12 +5,13 @@ using System.Collections.Generic;
 using System.Linq;
 using System.Runtime.Serialization;
 using System.Text.RegularExpressions;
+using System.Threading.Tasks;
 using System.Xml;
 
 namespace AideDeJeuLib
 {
     [DataContract]
-    public class Item : IList<Item>
+    public class Item //: IList<Item>
     {
         private List<Item> _Items;
 
@@ -29,68 +30,73 @@ namespace AideDeJeuLib
             _Items = new List<Item>();
         }
 
-        public string Header { get; set; }
-
-        public int Count => _Items.Count();
-
-        public bool IsReadOnly => false;
-
-        public Item this[int index] { get => _Items[index]; set => _Items[index] = value; }
-
-        public IEnumerator<Item> GetEnumerator()
+        public async Task<IEnumerable<Item>> GetChildrenAsync()
         {
-            return _Items?.GetEnumerator();
+            return _Items;
         }
 
-        IEnumerator IEnumerable.GetEnumerator()
-        {
-            return _Items?.GetEnumerator();
-        }
+        //public string Header { get; set; }
+
+        //public int Count => _Items.Count();
+
+        //public bool IsReadOnly => false;
+
+        //public Item this[int index] { get => _Items[index]; set => _Items[index] = value; }
+
+        //public IEnumerator<Item> GetEnumerator()
+        //{
+        //    return _Items?.GetEnumerator();
+        //}
+
+        ////IEnumerator IEnumerable.GetEnumerator()
+        ////{
+        ////    return _Items?.GetEnumerator();
+        ////}
 
         public virtual FilterViewModel GetNewFilterViewModel()
         {
             return null;
         }
 
-        public int IndexOf(Item item)
-        {
-            return _Items.IndexOf(item);
-        }
+        //public int IndexOf(Item item)
+        //{
+        //    return _Items.IndexOf(item);
+        //}
 
-        public void Insert(int index, Item item)
-        {
-            _Items.Insert(index, item);
-        }
+        //public void Insert(int index, Item item)
+        //{
+        //    _Items.Insert(index, item);
+        //}
 
-        public void RemoveAt(int index)
-        {
-            _Items.RemoveAt(index);
-        }
+        //public void RemoveAt(int index)
+        //{
+        //    _Items.RemoveAt(index);
+        //}
 
-        public void Add(Item item)
+        public void AddChild(Item item)
         {
             _Items.Add(item);
         }
 
-        public void Clear()
-        {
-            _Items.Clear();
-        }
+        //public void Clear()
+        //{
+        //    _Items.Clear();
+        //}
 
-        public bool Contains(Item item)
-        {
-            return _Items.Contains(item);
-        }
+        //public bool Contains(Item item)
+        //{
+        //    return _Items.Contains(item);
+        //}
 
-        public void CopyTo(Item[] array, int arrayIndex)
-        {
-            _Items.CopyTo(array, arrayIndex);
-        }
+        //public void CopyTo(Item[] array, int arrayIndex)
+        //{
+        //    _Items.CopyTo(array, arrayIndex);
+        //}
 
-        public bool Remove(Item item)
-        {
-            throw new NotImplementedException();
-        }
+        //public bool Remove(Item item)
+        //{
+        //    throw new NotImplementedException();
+        //}
 
         [DataMember]
         public virtual string Id { get; set; }
diff --git a/AideDeJeu/AideDeJeu/ViewModels/BookmarksViewModel.cs b/AideDeJeu/AideDeJeu/ViewModels/BookmarksViewModel.cs
index 321a68ab..871a2ac7 100644
--- a/AideDeJeu/AideDeJeu/ViewModels/BookmarksViewModel.cs
+++ b/AideDeJeu/AideDeJeu/ViewModels/BookmarksViewModel.cs
@@ -51,21 +51,21 @@ namespace AideDeJeu.ViewModels
             }
         } 
 
-        public List<Item> GetBookmarkCollection(string key)
+        public async Task<IEnumerable<Item>> GetBookmarkCollection(string key)
         {
             if (App.Current.Properties.ContainsKey(key))
             {
                 var property = App.Current.Properties[key] as string;
                 if (property != null)
                 {
-                    return ToItems(property);
+                    return await ToItems(property);
                 }
             }
             return null;
         }
-        public void LoadBookmarkCollection(string key)
+        public async Task LoadBookmarkCollection(string key)
         {
-            var items = GetBookmarkCollection(key);
+            var items = await GetBookmarkCollection(key);
             BookmarkCollection.Clear();
             if (items != null)
             {
@@ -76,7 +76,7 @@ namespace AideDeJeu.ViewModels
         public async Task AddBookmarkAsync(string key, Item item)
         {
             var linkItem = new LinkItem() { Name = item.Name, AltName = item.AltName, Link = item.Id };
-            var items = GetBookmarkCollection(key);
+            var items = (await GetBookmarkCollection(key)).ToList();
             if(items == null)
             {
                 items = new List<Item>();
@@ -104,13 +104,13 @@ namespace AideDeJeu.ViewModels
             return md;
         }
 
-        public List<Item> ToItems(string md)
+        public async Task<IEnumerable<Item>> ToItems(string md)
         {
             var item = Store.ToItem(null, md);
             //if(item is Items)
             //{
             var items = item; // as Items;
-                return items.ToList();
+                return await items.GetChildrenAsync();
             //}
             //return new List<Item> { item };
         }
diff --git a/AideDeJeu/AideDeJeu/ViewModels/ItemsViewModel.cs b/AideDeJeu/AideDeJeu/ViewModels/ItemsViewModel.cs
index 8a492244..409deef4 100644
--- a/AideDeJeu/AideDeJeu/ViewModels/ItemsViewModel.cs
+++ b/AideDeJeu/AideDeJeu/ViewModels/ItemsViewModel.cs
@@ -58,6 +58,19 @@ namespace AideDeJeu.ViewModels
             }
         }
 
+        public IEnumerable<Item> _Children = new List<Item>();
+        public IEnumerable<Item> Children
+        {
+            get
+            {
+                return _Children;
+            }
+            set
+            {
+                SetProperty(ref _Children, value);
+            }
+        }
+
         private Item _SelectedItem;
         public Item SelectedItem
         {
@@ -106,12 +119,14 @@ namespace AideDeJeu.ViewModels
             {
                 if (Filter != null)
                 {
-                    var items = await Filter.FilterItems(AllItems, cancellationToken: cancellationToken);
+                    var items = await Filter.FilterItems(await AllItems.GetChildrenAsync(), cancellationToken: cancellationToken);
                     Items = new Item(items.ToList());
+                    Children = items;
                 }
                 else
                 {
                     Items = AllItems;
+                    Children = await AllItems.GetChildrenAsync();
                 }
             }
             catch (OperationCanceledException ex)
diff --git a/AideDeJeu/AideDeJeu/ViewModels/StoreViewModel.cs b/AideDeJeu/AideDeJeu/ViewModels/StoreViewModel.cs
index c7624616..5c0289eb 100644
--- a/AideDeJeu/AideDeJeu/ViewModels/StoreViewModel.cs
+++ b/AideDeJeu/AideDeJeu/ViewModels/StoreViewModel.cs
@@ -87,7 +87,7 @@ namespace AideDeJeu.ViewModels
                             else //if (currentItem is Items)
                             {
                                 var items = currentItem; // as Items;
-                                items.Add(subItem);
+                                items.AddChild(subItem);
                             }
                             enumerator.MoveNext();
                         }
diff --git a/AideDeJeu/AideDeJeu/Views/FilteredItemsPage.xaml b/AideDeJeu/AideDeJeu/Views/FilteredItemsPage.xaml
index 85849b96..8d1a4a90 100644
--- a/AideDeJeu/AideDeJeu/Views/FilteredItemsPage.xaml
+++ b/AideDeJeu/AideDeJeu/Views/FilteredItemsPage.xaml
@@ -53,7 +53,7 @@
                         <tools:TextChangedBehavior />
                     </SearchBar.Behaviors>
                 </SearchBar>
-                <ListView Grid.Column="0" Grid.Row="1" Grid.ColumnSpan="2" x:Name="ItemsListView" ItemsSource="{Binding Items}" VerticalOptions="FillAndExpand" HasUnevenRows="true" CachingStrategy="RecycleElement" SelectedItem="{Binding SelectedItem}" ItemTapped="ItemsListView_ItemTapped">
+                <ListView Grid.Column="0" Grid.Row="1" Grid.ColumnSpan="2" x:Name="ItemsListView" ItemsSource="{Binding Children}" VerticalOptions="FillAndExpand" HasUnevenRows="true" CachingStrategy="RecycleElement" SelectedItem="{Binding SelectedItem}" ItemTapped="ItemsListView_ItemTapped">
                     <ListView.ItemTemplate>
                         <DataTemplate>
                             <ViewCell AutomationProperties.IsInAccessibleTree="True" AutomationId="machin" AutomationProperties.Name="hop">
diff --git a/AideDeJeu/AideDeJeu/Views/ItemsPage.xaml b/AideDeJeu/AideDeJeu/Views/ItemsPage.xaml
index 19a39028..172ff14b 100644
--- a/AideDeJeu/AideDeJeu/Views/ItemsPage.xaml
+++ b/AideDeJeu/AideDeJeu/Views/ItemsPage.xaml
@@ -21,7 +21,7 @@
         <ToolbarItem Name="About" Text="À propos de..." Order="Secondary" Icon="wooden_sign.png" Command="{Binding Main.Navigator.AboutCommand}" />-->
     </ContentPage.ToolbarItems>
     <Grid>
-        <ListView BackgroundColor="{StaticResource bgtan}" x:Name="ItemsListView" ItemsSource="{Binding Items}" VerticalOptions="FillAndExpand" HasUnevenRows="true" CachingStrategy="RecycleElement" SelectedItem="{Binding SelectedItem}" ItemTapped="ItemsListView_ItemTapped">
+        <ListView BackgroundColor="{StaticResource bgtan}" x:Name="ItemsListView" ItemsSource="{Binding Children}" VerticalOptions="FillAndExpand" HasUnevenRows="true" CachingStrategy="RecycleElement" SelectedItem="{Binding SelectedItem}" ItemTapped="ItemsListView_ItemTapped">
             <ListView.Header>
                 <mdview:MarkdownView 
                 Theme="{StaticResource MonsterMarkdownTheme}" 
diff --git a/AideDeJeu/AideDeJeuUnitTest/UnitTest1.cs b/AideDeJeu/AideDeJeuUnitTest/UnitTest1.cs
index b4a4e5ec..f6b4e3e7 100644
--- a/AideDeJeu/AideDeJeuUnitTest/UnitTest1.cs
+++ b/AideDeJeu/AideDeJeuUnitTest/UnitTest1.cs
@@ -1,6 +1,7 @@
 using AideDeJeu.ViewModels;
 using AideDeJeuLib;
 using Microsoft.VisualStudio.TestTools.UnitTesting;
+using System.Threading.Tasks;
 
 namespace AideDeJeuUnitTest
 {
@@ -8,17 +9,15 @@ namespace AideDeJeuUnitTest
     public class UnitTest1
     {
         [TestMethod]
-        public void TestMethod1()
+        public async Task TestMethod1()
         {
             var store = new StoreViewModel();
             var item = store.ToItem(null, AideDeJeu.Tools.Helpers.GetResourceString($"AideDeJeu.Data.sandbox.md"));
             var md = item.Markdown;
-            if(item is Items)
+            var children = await item.GetChildrenAsync();
+            foreach(var iitem in children)
             {
-                foreach(var iitem in item as Items)
-                {
-                    md += iitem.Markdown;
-                }
+                md += iitem.Markdown;
             }
             Assert.IsNotNull(md);
         }
diff --git a/AideDeJeu/AideDeJeuWeb/Controllers/ValuesController.cs b/AideDeJeu/AideDeJeuWeb/Controllers/ValuesController.cs
index 5dd78303..75e416b3 100644
--- a/AideDeJeu/AideDeJeuWeb/Controllers/ValuesController.cs
+++ b/AideDeJeu/AideDeJeuWeb/Controllers/ValuesController.cs
@@ -20,7 +20,7 @@ namespace AideDeJeuWeb.Controllers
             var md = await AideDeJeu.Tools.Helpers.GetResourceStringAsync("AideDeJeu.Data.spells_hd.md");
             var store = new StoreViewModel();
             var item = store.ToItem(null, md);
-            var items = item as Items;
+            var items = await item.GetChildrenAsync();
 
             var fitems = items.Where(it => (it as Spell).Source.Contains(classe)).OrderBy(it => (it as Spell).Level).ThenBy(it => it.Name);