Discover the fascinating world of inventions and technology. From the first tools to the latest gadgets, Pocket Genius: Inventions showcases key inventors and i
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
Covering the basic principles of science, including matter and materials, energy and forces, and the living world, Pocket Genius: Science is a junior look at sc
Covering the basic principles of science, including matter and materials, energy and forces, and the living world, DK's Pocket Genius: Science is a junior look
Find out about more than 70 cat breeds, including their origins and characteristics, in this pocket-sized encyclopedia. This cat-alogue packs a whole lot of inf