The Master Theorem - A Book of Puzzles, Intrigue and Wit by M. STEM with each piece displaying flashes

with each piece displaying flashes of blue

Rainbows occur when sunlight —including all the wavelengths of visible light

By Leonard David

remote-controlled car

Step-by-step instructions lead a child successfully through each activity

The Master Theorem - A Book of Puzzles, Intrigue and Wit by M. STEM with each piece displaying flashesThe Master Theorem puzzle book contains over 40 original, beautifully designed puzzles, with three hints and a complete solution each. Solvers will enjoy weeks of neuron growth as they become experts in codes, ciphers, and the mysteries of the universe. Paperback: 212 pages Recommended for ages 13+