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Muscles help you run, jump, play sports, and even sit still long enough to read this book. Your bony skeleton holds you up and keeps everything in its place. Let the Stickmen give you a tour… Read More →

I am a powerful medieval king. I have an impressive castle, I like to be entertained by music and jesters, and I'm not afraid of an intense battle. But being a king isn't easy. There are a… Read More →

I am the mighty pharaoh of Egypt. I control the River Nile, plan great cities, and make sure I am the richest person in all of Egypt—with the most exotic food and expensive clothes. After… Read More →

I am a fearless shogun, the military ruler of Japan. People are afraid of me—and they should be. I have even more power than the emperor. I followed the rules to achieve my high position—and… Read More →

I am a Roman emperor, and my empire stretches from the sunny Mediterranean to northern Europe. I can tell that you're impressed. There are several rules I follow to keep everything under… Read More →

With their unique ability to spin silk that is stronger than steel, spiders make cunning traps as well as beautiful webs. This book brings you up close to these brilliant engineers, aerial… Read More →

Did you know that there are around ten quintillion insects alive at any one time? And all of these insects have some pretty extraordinary skills! Get up close and personal with these insects, Read More →

Flying insects hold one of the great keys to survival: wings. And there are winged insects buzzing, flitting, and soaring all around us. Take a close-up look to see how the hummingbird hawk… Read More →

Being sick is horrible. But it used to be worse. Inside this book, you'll see evidence of the plagues of the past—rotting skin, dissolving lungs, and sinister swelling all over the body.… Read More →

What if elephants were as small as dogs? What if frogs were protected by armor? In prehistoric times, they were! In fact, other than a few unique changes, lots of prehistoric beasts looked… Read More →

Gorillas can be pretty big, but just wait until you see Gigantopithecus. This huge ape lived 9 million years ago and was three times as heavy and two times as tall as a modern gorilla. There… Read More →

Did you know that dinosaurs weren't the only prehistoric beasts on Earth? Even before the time when dinosaurs lived, there were many other incredible creatures, and some were even bigger and… Read More →

The ocean is filled with giant, strange, and scary creatures such as whales, octopuses, and sharks—but the prehistoric megalodon was powerful enough to crush a killer whale. Other sea beasts… Read More →

People have always needed doctors. But the doctors of the past might not look like the doctors you are used to seeing! Sometimes their healing methods were weird, disgusting, or even… Read More →

It's easy to take a pill when we aren't feeling well. But did you know that the art of making medicines goes back thousands of years? Early remedies weren't always so easy—or effective. Some… Read More →

Some of the most powerful creatures are also the smallest! Some are easy to find, such as the woodlouse and centipede. Others are so tiny that they can only be seen clearly under a… Read More →

Invisible microbes cause sickness by invading our bodies and multiplying. But doctors didn't always know that sickness was caused by germs. Most people thought diseases came from smelly, damp Read More →

Meet some of the coolest land animals on Earth, and learn about their amazing abilities—from camouflage and communication to super senses and use of tools. Find out how these clever creatures Read More →

Construct an arsenal of mini-models of large launchers, based on siege weapons used throughout history. All you need are everyday items and some adult help. Wheel them out as you conduct a… Read More →