Perform amazing feats of mathematical magic, answer clever riddles, solve a baffling murder, and much more with this clever introduction to calculator games. An

The math book for anyone who thinks they hate math, full of easy, entertaining and practical tricks for mentally solving problems in seconds. No matter how much

A collection of math brain teasers, card tricks, calculator riddles and more! Great teaching resource for math teachers (many grade levels).

Dozens of scientific "magic tricks" based in mathematics, chemistry, optical illusion, paper cutting, and magnetism.

Challenges the reader to solve forty-seven crimes, and provides solutions