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

Amazing discoveries and inventions of the last eight years bring this new edition of 1,000 Inventions and Discoveries up to date. Uncover the stories behind 1,0

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

This epic journey of scientific discovery starts in ancient times and travels through centuries of invention before fast forwarding into the future. In this ult

Can you imagine kids getting excited about economics? A 3rd grader itching to learn more about credit, or saving up her allowance for that college fund? DK can.