title: how to add object to property on inline declaration
body: <p>I'm aware that my question title is not good at all, so please change if someone finds suitable one.</p>
  
  <p>if I had Book and Tag object. One book has many tags. Tag has book. If I creating book object like this</p>
  
  <pre><code>Book apressMVC4 = new Book()
  {
    Id = 1,
    Name = "Apress Pro asp.net mvc4",
    tags = new List&lt;Tag&gt;{
       new Tag{Id = 1, Name = "mvc", Book = ??? how to add this current book apressMVC4},
  }};
  </code></pre>
  
  <p>Obviously I cannot use apressMVC4 variable to store inside Book property of Tag object, so how to do it on this example, on creating book object. </p>