public void InitialInventory() { // a.k.a. the most important books Book h = new Book("The Hobbit", "J.R.R. Tolkien", Genre.Fantasy, 304); Book fr = new Book("The Fellowship of the Ring", "J.R.R. Tolkien", Genre.Fantasy, 479); Book tt = new Book("The Two Towers", "J.R.R. Tolkien", Genre.Fantasy, 415); Book rk = new Book("The Return of the King", "J.R.R. Tolkien", Genre.Fantasy, 347); Available.AddRange(new Book[] { h, fr, tt, rk }); }