public partial class MainPage : UserControl
{
    public MainPage()
    {
        InitializeComponent();

        // create the collection of photos
        ObservableCollection<PhotoItem> myPhotos = new ObservableCollection<PhotoItem>();
        myPhotos.Add(new PhotoItem()
        {
            Title = "Chrysanthemum",
            Image = "Chrysanthemum.jpg",
            DateTaken = DateTime.Parse("3/14/2008 1:59 PM"),
            Size = "858 KB"
        });
        myPhotos.Add(new PhotoItem()
        {
            Title = "Desert",
            Image = "Desert.jpg",
            DateTaken = DateTime.Parse("2/12/2008 3:12 PM"),
            Size = "458 KB"
        });
        myPhotos.Add(new PhotoItem()
        {
            Title = "Hydrangeas",
            Image = "Hydrangeas.jpg",
            DateTaken = DateTime.Parse("3/25/2008 2:22 PM"),
            Size = "843 KB"
        });
        myPhotos.Add(new PhotoItem()
        {
            Title = "Jellyfish",
            Image = "Jellyfish.jpg",
            DateTaken = DateTime.Parse("1/14/2008 4:32 PM"),
            Size = "456 KB"
        });
        myPhotos.Add(new PhotoItem()
        {
            Title = "Koala",
            Image = "Koala.jpg",
            DateTaken = DateTime.Parse("6/14/2008 2:46 PM"),
            Size = "654 KB"
        });
        myPhotos.Add(new PhotoItem()
        {
            Title = "LightHouse",
            Image = "LightHouse.jpg",
            DateTaken = DateTime.Parse("8/23/2008 3:59 PM"),
            Size = "930 KB"
        });
        myPhotos.Add(new PhotoItem()
        {
            Title = "Penguis",
            Image = "Penguis.jpg",
            DateTaken = DateTime.Parse("3/14/2008 1:59 PM"),
            Size = "623 KB"
        });
        RadBook1.ItemsSource = myPhotos;
    }
}
// create a class representing a single photo
public class PhotoItem
{
    public string Image { get; set; }
    public string Title { get; set; }
    public DateTime DateTaken { get; set; }
    public string Size { get; set; }
}

Partial Public Class MainPage
        Inherits UserControl
        Public Sub New()
            InitializeComponent()

            ' create the collection of photos
            Dim myPhotos As New ObservableCollection(Of PhotoItem)()
            myPhotos.Add(New PhotoItem() With {.Title = "Chrysanthemum", .Image = "Chrysanthemum.jpg", .DateTaken = Date.Parse("3/14/2008 1:59 PM"), .Size = "858 KB"})
            myPhotos.Add(New PhotoItem() With {.Title = "Desert", .Image = "Desert.jpg", .DateTaken = Date.Parse("2/12/2008 3:12 PM"), .Size = "458 KB"})
            myPhotos.Add(New PhotoItem() With {.Title = "Hydrangeas", .Image = "Hydrangeas.jpg", .DateTaken = Date.Parse("3/25/2008 2:22 PM"), .Size = "843 KB"})
            myPhotos.Add(New PhotoItem() With {.Title = "Jellyfish", .Image = "Jellyfish.jpg", .DateTaken = Date.Parse("1/14/2008 4:32 PM"), .Size = "456 KB"})
            myPhotos.Add(New PhotoItem() With {.Title = "Koala", .Image = "Koala.jpg", .DateTaken = Date.Parse("6/14/2008 2:46 PM"), .Size = "654 KB"})
            myPhotos.Add(New PhotoItem() With {.Title = "LightHouse", .Image = "LightHouse.jpg", .DateTaken = Date.Parse("8/23/2008 3:59 PM"), .Size = "930 KB"})
            myPhotos.Add(New PhotoItem() With {.Title = "Penguis", .Image = "Penguis.jpg", .DateTaken = Date.Parse("3/14/2008 1:59 PM"), .Size = "623 KB"})
            RadBook1.ItemsSource = myPhotos
        End Sub
    End Class
    ' create a class representing a single photo
    Public Class PhotoItem
        Public Property Image() As String
        Public Property Title() As String
        Public Property DateTaken() As Date
        Public Property Size() As String
    End Class

<Grid x:Name="LayoutRoot" Background="Purple">
    <Grid.Resources>
        <!--  Declare the template used for the left pages  -->
        <DataTemplate x:Name="LeftPageTemplate">
            <StackPanel Margin="10" Background="LightGray">

                <TextBlock FontSize="24" 
                           FontWeight="Bold"
                           Text="{Binding Title}" />
                <Image Width="240" 
                       Height="320"
                       Source="{Binding Image}" />
                <StackPanel HorizontalAlignment="Stretch" Orientation="Horizontal">
                    <TextBlock FontWeight="Bold" Text="Date Taken:" />
                    <TextBlock Text="{Binding DateTaken}" />
                </StackPanel>
                <StackPanel HorizontalAlignment="Stretch" Orientation="Horizontal">
                    <TextBlock FontWeight="Bold" Text="Size:" />
                    <TextBlock Text="{Binding Size}" />
                </StackPanel>
            </StackPanel>
        </DataTemplate>
        <!--  Declare the template used for the right pages  -->
        <DataTemplate x:Name="RightPageTemplate">
            <StackPanel Margin="10" Background="LightBlue">
                <TextBlock HorizontalAlignment="Right" 
                           FontSize="24"
                           FontWeight="Bold"
                           Text="{Binding Title}" />
                <Image Width="240" 
                       Height="320"
                       Source="{Binding Image}" />
                <StackPanel HorizontalAlignment="Right" Orientation="Horizontal">
                    <TextBlock FontWeight="Bold" Text="Date Taken:" />
                    <TextBlock Text="{Binding DateTaken}" />
                </StackPanel>
                <StackPanel HorizontalAlignment="Right" Orientation="Horizontal">
                    <TextBlock FontWeight="Bold" Text="Size:" />
                    <TextBlock Text="{Binding Size}" />
                </StackPanel>
            </StackPanel>
        </DataTemplate>
    </Grid.Resources>
    <telerik:RadBook x:Name="RadBook1" 
                     Margin="50"
                     LeftPageTemplate="{StaticResource LeftPageTemplate}"
                     RightPageTemplate="{StaticResource RightPageTemplate}" />
</Grid>