static void Main(string[] args)
{
Console.WriteLine("Назва книги: ");
Titles title = new Titles();
title.Content = Console.ReadLine();
Console.WriteLine("Автор книги: ");
Authors author = new Authors();
author.Content = Console.ReadLine();
Console.WriteLine("Зміст книги: ");
Contents content = new Contents();
content.Content = Console.ReadLine();
Book book = new Book(title, author, content);
book.Show();
Console.ReadKey();
}
public Book(Titles title, Authors author, Contents content)
{
this.title = title;
this.author = author;
this.contents = content;
}