You’ll find many useful materials in the online resources that accompany this book. Just head over to http://nostarch.com/learnscratch/ to get started!
As you read, open the Scratch scripts (.sb2 files) mentioned in each chapter to follow along with the examples. Whenever you solve a practice problem or Try It Out exercise, you can check your answers with the files in the Solutions folder. Learn even more about Scratch by reading the information about the Paint Editor, mathematical functions, and drawing geometric shapes in the Extra Resources folder. If you want to try out more guided examples, you’ll even find extra games and simulations to go along with several chapters in the Bonus Applications folder.