Head First C#: A Learner's Guide to Real-World Programming with C# and .Net - Andrew Stellman

In the first chapter you'll dive right in, building a fully functional game using C# and .NET MAUI that can run on Windows, Mac, and even Android and iOS devices. You'll learn how to use classes and object-oriented programming. And you'll do it all by solving puzzles, doing hands-on exercises, and building real-world applications.