using System;

using System.Collections.Generic;

public class Program

{

    public static void Main()

    {

        Console.WriteLine("Hello World");

    }

}

​

public class Author

{

    public int Id {get;set;}

    public string FirstName{get;set;}

    public string LastName{get;set;}

    public List<Book> AuthoredBooks{get;set;}

    //Constructor

    public Author(){

       //Do the usual things

        SetAuthoredBookList();

    }

    private void SetAuthoredBookList(){

        //Go find all the books authored by this specific author

        //AuthoredBooks = BookService.GetBooksForAuthor(this.Id)

    }

​

}

​

public class Book{

​

    public long isbn {get;set;}

    public string title {get;set;}

    public string shortdescription {get;set;}

    public int pagecount {get;set;}

    public DateTime publicationdate {get;set;}

    public double price {get;set;}

    public int mainauthorid {get;set;}

}