Grade 3 - 5

Compelling entries in this encyclopedic-style series reveal the secrets of space. Extraordinary photos are paired with comprehensive text in an engaging yet manageable format perfect for… More →

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 →

Explore the universe with this curricular high-interest, low-reading-level series! This approachable look at key science curriculum keeps struggling readers engaged while carefully leveled… 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 →

Our solar system is home to giant, faraway planets that are much different than Earth. Explore the features and composition of your favorite planets, the sun, and the moon through vibrant… 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 →

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 →

What could be more fun than counting with a witch in her creepy castle or comparing numbers with a scary vampire? In this enchanting series, a spooky twist makes basic math skills and… 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 →