The hottest invention story of the last century was the birth of the personal computer. "Fire in the Valley" makes computer history as exciting and intriguing as a best-selling novel. Only it's all true.
Teaches your child about the principles of gravity, inertia, balance, and energy with hands-on invention projects. Uses common household items and easy-to-follow instructions.**

Chronicle Books LlcAn entertaining look at the spy gear and gadgetry from four decades of television and film highlights more than two hundred of the most remarkable items from the author's vast collection, including Maxwell Smart's Shoe Phone to Austin Powers's eyeglasses and James Bond's Walther PPK.