Grade 3

If emotionless monotones are all that come to mind when you think of robots, it’s time to rewire your motherboard. Open this book and let the renegade robots within inspire you to build your… More →

With fossils as their only clues, scientists have created an image of life millions of years ago. Try your hand at a scene in the world of the dinosaurs with the help of this how-to-draw… More →

When it comes to lemurs, it's a woman's world. Females rule—they eat first, win all family arguments, and fight enemies on the front lines. Learn why you'd want to be “one of the ladies” in a More →

Don't say you weren't warned. Black widows have red markings that let you know they are dangerous. Bother a black widow and experience the effects of its potent poison. Get caught up in… More →

Two sections of Earth’s crust meet to form the Great Rift Valley in the middle of Ethiopia. Bordering the valley are some of Africa’s most expansive highland areas, lending Ethiopia the… More →

When United States infantry troops need support, a UH-60 Black Hawk prepares for liftoff. This utility helicopter can carry 11 fully equipped soldiers into battle and transport injured troops More →

For missions that need immediate attention, the B-2 stealth bomber takes to the runway. This flying wing can reach any target in the world in a matter of hours. The bomber’s flat frame is… More →

Mountain climbing is about the challenge. It's about rising above difficulties to reach the breathtaking views that wait atop mountains. Let this book get you geared up for rock climbing,… More →

New Zealanders love to play, and their country is their playground. This South Pacific island comes equipped with snowy mountains for skiing, swift rivers for rafting, and deep valleys for… More →

Does driving a 100,000-pound truck across frozen water sound like a smart idea? No, but some people make their living doing this. Ride along with ice road truckers and discover the unique… More →

For soldiers on the ground, the Humvee is a welcome sight. This multi-purpose vehicle serves as a weapons carrier, ambulance, troop shelter, and more. It takes a beating from harsh terrain,… More →

Killer bees have the mob mentality. They attack in large groups and refuse to let up without a fight. A group of killer bees can remain wound up for up to 24 hours! Learn why you should never More →