A visual look at the planet we call home, DK's Pocket Genius: Earth delves into Earth's geology and geography, examining oceans, mountains, deserts, clouds, and

Everything you ever wanted to know about Earth's oceans in easy-to-read e-guide. Nearly 97 percent of our planet's water is held in the vast oceans that teem wi

Find out about all 118 elements, the building blocks of matter that make up our entire universe, in this pocket-sized encyclopedia. Discover all the major eleme

Profiling nearly 200 types of rocks and minerals from volcanic rocks and granite to sparkling diamonds and explosive sulfur, DK's Pocket Genius: Rocks and Miner

Discover the fascinating world of inventions and technology. From the first tools to the latest gadgets, Pocket Genius: Inventions showcases key inventors and i