Learn the functions of fun with one of these book bundle options, available here.

Level up the technical skills you need to create games and lead a successful career in development with this bundle of ebooks from Apress! Deepen your understanding of digital audio, get a handle on 3D graphics, and learn the fundamentals of crafting game mechanics. Familiarize yourself with popular tools and platforms like GameMaker and MonoGame. Build a foundation for a wide range of game programming and development disciplines, and help support Direct Relief with your purchase!

You can always check out the most recent Humble Bundle offers here and here.