Parse XML in Windows Phone 8.1

I want to parse the following XML in Windows 8.1 using XmlDocument or XDocument but not XmlSerializer.

I want to convert them into ObservableCollection and I have 5 Pages for every XML type. I have a collection of books which contains a collection of sections which contains a collection of subjects which contains a collection of context.

<Collection>
    <Book Name="XXX">
        <Section Name="XXX">
            <Subject Name="XXXXXXX">
                <Context Name="AAAAAA">Thecontext....</Context>
                <Context Name="AAAAAA">Thecontext....</Context>
                <Context Name="AAAAAA">Thecontext....</Context>
            </Subject>
        </Section>
    </Book>

    <Book Name="YYY">
        <Section Name="XXX">
            <Subject Name="XXXXXXX">
                <Context Name="AAAAAA">Thecontext....</Context>
                <Context Name="AAAAAA">Thecontext....</Context>
                <Context Name="AAAAAA">Thecontext....</Context>
            </Subject>
        </Section>
    </Book>

</Collection>

Into this

[XmlRootAttribute]
[XmlTypeAttribute]
public class Collection
{
    [XmlElementAttribute]
    public Book[] Book { get; set; }
}

[XmlTypeAttribute]
public class Book
{
    [XmlElementAttribute]
    public Section[] Section { get; set; }

    [XmlAttributeAttribute]
    public string Name { get; set; }
}

[XmlTypeAttribute]
public class Section
{
    [XmlElementAttribute]
    public Subject[] Subject { get; set; }

    [XmlAttributeAttribute]
    public string Name { get; set; }
}

[XmlTypeAttribute]
public class Subject
{
    [XmlElementAttribute]
    public Context[] Context{ get; set; }

    [XmlAttributeAttribute]
    public string Name { get; set; }
}

[XmlTypeAttribute]
public class Context
{
    [XmlAttributeAttribute]
    public string Name{ get; set; }

    [XmlTextAttribute]
    public string Value { get; set; }
}

I want to use XAML data binding also.