Mike Goldsmith

In this clever guide, readers previously daunted by algebra, logic, algorithms, and all things math will discover they are better at it than they thought. This resource explores the math brain and demonstrates to readers that they use math skills all the time -- they just don't know it yet. Packed with math activities and puzzles.

An in-depth reference guide to technological developments that changed the world describes each invention and explores its place in history and how it influenced civilization, discussing inventions from the wheel to computers.