How does corn become fuel for cars? How might rotting garbage be used to heat homes? Biofuels answers these questions and much more! Downloadable Teacher's Notes available. More →

Discover the brilliant world of Birds. Beautiful photographs of different birds feature where birds live, how they grow, how they move, and what they eat. The book also includes a page for… More →

What makes BMX an extreme sport? Whether you're racing or performing jumps, flips, and tricks on a bike, BMX takes a lot of skill--and nerve. Learn all about BMX on the track, at the BMX… More →

Knights were mounted soldiers, expert swordsmen, and jousting competitors. But what were their lives really like, and what was the code of chivalry they lived by? Enter the medieval world and More →

What takes us over rivers and above highways? BRIDGES! Discover why and how they are built and learn about some of the world's beautiful bridges in this book. Downloadable Teacher Notes available. More →

Spartan soldiers trained hard, fought using strategy, and valued death over defeat. But what were their lives really like? Step onto the battlefield and explore what made Spartans one of the… More →

What carries water and helps ships move around the world? CANALS! Discover why and how they are built and learn about some of the world's clever canals in this book. Downloadable Teacher… More →

This entertaining, high-interest series looks at strange and little-known facts about things in our world. Eye-catching, full-color photography and illustrations engage even the most… More →

Grab your pom-poms and a megaphone! We're about to learn why cheerleading ranks among the...TOP HIGH SCHOOL SPORTS. More →

This book shines a light on the disturbing practice of recruiting children into conflicts. Around 250,000 child soldiers are participating in conflicts around the world today. Many are… More →