The Samurai may have been the rock stars of the warrior class in medieval Japan, but the Ninjas were the secret agents. Known also as shinobi, which means "to steal away," Ninjas kept to the… More →

What kid doesn't love a good joke? Linking interdisciplinary knowledge (language arts, science, and social studies) and using examples from folktales, stories, riddles, jokes, nonfiction, and More →

An enormous boom wakes Artem from his sleep. He discovers that a reactor at the nuclear power plant in Chernobyl has exploded. With radiation everywhere, his family is forced to evacuate… More →

What does it feel like to live in a pressurized metal tube, 1000 feet (300 m) under the ocean, and only steps away from lethally dangerous nuclear fissile material? Nuclear submariners know.… More →

Working in oceans presents unique challenges. Readers will learn how ocean engineers design equipment and processes to help scientists that study ocean systems, such as oceanographers, do… More →

Dive into a strange new world! Look for: • dangerous sharks and stinging sea jellies; • strange sea creatures with five arms or eight legs; • wonderful and weird plants and animals. Meet… More →

What kinds of animals live in the ocean? Find out: • about bizarre animals that never see light; • why a shark never loses all its teeth; • how some fish can fly - even without wings!… More →

This entertaining and informative survival guide introduces readers to the challenging environment of the ocean. Useful tips tell you how to get drinkable water, what you can - and shouldn't… More →

Josef and his family are heading home to America after visiting Josef's grandfather in Germany. Grandpa has a surprise for them. Instead of taking the boat home, they'll be riding a zeppelin… More →

Learn all about different kinds of stomach-turning smells. Discover fascinating facts, from the gases that make up farts to skunk behavior before a spray. Amazing photos and simple text make… More →