Title Page -- About the Authors -- Contents -- Introduction -- What Is Scratch? -- Who Should Read This Book? -- What You Will Learn -- How This Book Is Structured -- What You Need to Use This Book -- Conventions -- Companion Website -- Contact Us -- Adventure 1: Scratching the Surface -- Coding Is Everywhere -- Speaking the Language of Machines -- Knowing Your Coding Lingo -- Writing Your First Scratch Program -- Learning the Scratch Environment -- Further Adventures in Coding -- Adventure 2: Where in the World Is Scratch? -- Setting the Stage -- Understanding Coordinates on the Stage -- Knowing Your Directions -- Moving a Sprite -- Creating Random Scratch Art -- Further Adventures in Coding -- Adventure 3: Using Control Blocks -- Understanding Code Nesting -- Branching Programs in Scratch -- Making Comments in Scratch -- Looping in Scratch -- Building the Fly Catcher Game -- Further Adventures in Coding -- Adventure 4: Using Sensing Blocks -- Learning the Sensing Blocks -- Getting and Using Text Input -- Detecting Key Presses -- Watching for Mouse Moves -- Using Timing -- Sensing Touching and Distance -- Building the Apple Patrol Game -- Further Adventures in Coding -- Adventure 5: Using Event Blocks -- Understanding the Role of Events -- Working with Key Press Events -- Using Backdrop Change Events -- Implementing Sensing and Timing Events -- Getting Your Message Across -- Putting on the Big Event -- Further Adventures in Coding -- Adventure 6: Variables and Lists -- Understanding Variable Blocks -- Making Lists -- The Ultimate Party Host -- Further Adventures in Coding -- Adventure 7: Using Operators in Scratch -- Saying Hello to the Operators -- Doing the Math -- Coding Logically -- Operating on Text -- Understanding Other Operations -- Make a Math Practice Game -- Further Adventures in Coding -- Adventure 8: Using Graphics and the Pen.

Creating Art with the Paint Editor -- Use the Pen to Make a Skywriting Plane -- Further Adventures in Coding -- Adventure 9: Building Your Own Blocks -- Making Your Own Blocks -- Borrowing Blocks with the Backpack -- Putting on a Fashion Show -- Further Adventures in Coding -- Adventure 10: Making and Using Sounds and Music -- Using Sounds -- The Sound Library -- Using the Sound Editor -- Editing Sounds -- Recording Sounds -- Importing Sounds -- Forming the Scratch Jazz Band -- Further Adventures in Coding -- Adventure 11: Exploring the Scratch Universe -- Visiting scratch.mit.edu -- Sharing Your Projects -- The Scratch Community Rules -- Remixing Projects -- Interfacing with the Real World -- Sensing with the PicoBoard -- Further Adventures in Coding -- Appendix A: Installing the Scratch Offline Editor -- Installing the Scratch Offline Editor on Windows -- Installing the Scratch Offline Editor to Your Mac Operating System -- Other Resources -- Appendix B: Testing Your Programs -- Practice Proper Planning -- Ask Other People to Test -- Look for Possible Invalid Input -- Use Comments Often -- Test Early and Often -- Keep Track of Tests and What Breaks Things -- Use Custom Blocks -- Use Sliders for Numbers -- Keep Learning -- Keep Practicing -- Glossary -- End User License Agreement.