The first book is dedicated to computational thinking, making a mobile app and photo ID card, data and the Central Processing Unit, learning about hardware/understanding how hardware and software work together etc

The second book deals with designing a route planner, app inventor: making a sports app, storing high quality images and sounds, calculating with Python, developing a website using advanced tools etc

The third book is about using computational thinking to see what happens when a nuclear reactor is damaged, making a mobile game, understanding how the computer works inside, particularly its memory, how data travels across the Internet improving communication, designing reports and surveys etc