private void AddBook()
{
output.PrintLine("Adding a new book");
output.Print("Title: ");
var title = input.ReadLine();
output.Print("Author: ");
var author = input.ReadLine();
output.Print("isbn: ");
var isbn = input.ReadLine();
output.Print("Publihser: ");
var publisher = input.ReadLine();
output.Print("Year: ");
var yearString = input.ReadLine();
var year = int.Parse(yearString);
output.Print("Category: ");
var category = input.ReadLine();
booksManager.Create(title, author, isbn, publisher, year, category);
}
