Grade 4

From speeding comets and asteroids to orbiting bodies and beyond, space expands far outside what we know. But there are many things we have discovered about the depths of space. Readers will… More →

Out-of-this-world space technology is on display for aspiring astronauts, Star Wars fans, and general knowledge seekers. Every book puts a spotlight on a different type of space machine to… More →

From pararescues deep in the jungles of Burma to risky underwater rescue missions by Navy SEALs, the Special Operations Forces of the United States Military have a common goal - to save human More →

From rescuing hostages and capturing terrorists to gathering intelligence and stopping attacks on American targets, members of the elite Special Operations forces use their special skills to… More →

From giant anthills and complex beehives to the vast network of underground tunnels and nests dug by prairie dogs, many animals build towns that rival human cities in size and scope. Come… More →

Just how fast are the fastest vehicles on Earth and in outer space? How do their engines and body designs affect their speeds? Learn about the technology, mechanics, and physics behind the… More →

Celebrate Halloween with our list of spooky titles for grades 3-8. From frighteningly fun fiction to chilling true stories, these books will thrill even the most reluctant readers! Want… More →

Championship games are for the best of the best. Teams go head-to-head to prove they are worthy of being named number one. Each title in this series dives into the action of a sport's… More →

She shoots. She scores! A basketball swishes through the net, and a football flies through the uprights. But have you ever stopped to think how these things happen? Explore the science behind More →

Crushing records, earning trophies, achieving greatness: sports superstars combine immense talent with dedicated hard work to achieve these goals and become the best. Each title in this… More →

This series introduces readers to some of today's most famous and most dominant athletes. Each title features informative sidebars, detailed infographics, vivid photos, and a glossary. More →

This series introduces readers to the defining characteristics, history, mechanics, and uses of twelve cool rides. Each title features engaging infographics, informative sidebars, vivid… More →