Bøger af Tracy Abell

Introduces readers to the science that makes vending machines possible. Accessible text, helpful diagrams, and a "How Does It Work?" feature make this book an exciting introduction to understanding technology.

"Voyager RL: 5-6. IL: 5-9"--Cover, page 4.

Explores the fascinating world of drones. With colorful spreads featuring fun facts, sidebars, and a "How It Works" feature, the book provides an inspiring look at this exciting technology.