Erwin Brecher

Are There Rainbows on the Moon?: Over 200 Bizarre, Weird and Wonderful Puzzles with Science

By Erwin Brecher

How do you Turn Water into Wine?

By Erwin Brecher

Lateral Thinking Puzzles

By Erwin Brecher

Puzzles, Brainteasers & Mathematical Diversions

By Erwin Brecher

How Do You Survive a Duel

By Erwin Brecher

Pocket IQ Brain Trainer: Words and Numbers

By Erwin Brecher

World Class Puzzles

By Erwin Brecher