private void MakeSelection() { Console.WriteLine("Please choose between the following: (C)heckout, (R)eturn a book, or (Q)uit"); string input = Console.ReadLine(); switch (input.ToLower()) { case "c": MyLibrary.CheckoutBook(); break; case "r": MyLibrary.ReturnBook(); break; case "q": Running = false; Console.WriteLine("Thanks for visiting!"); Console.ReadLine(); break; default: Console.WriteLine("Invalid Selection"); break; } }