Do not be afraid!  Independent scientific tests have shown that Rolf Heimann's latest and greatest batch of brain-drainers cannot harm your brain.  Your brain will shift into overdrive as it performs the mental gymnastics that will lead you from puzzle to mega-maze and back to puzzle.  But don't despair -- there are also a few easier problems for some gray-matter relief.  This book is rated "C" -- Creative Cranial Conditioning for Curious Kids!

Drain Your Brain

Heimann, Rolf

Roland Harvey Books

See the best price to sell, buy or rent books by the Roland Harvey Books publisher. BookScouter helps to compare book prices from 25+ online bookstores and 30+ buyback vendors with a single search.

Books by Roland Harvey Books

See the best price to sell, buy or rent books by the Roland Harvey Books publisher. BookScouter helps to compare book prices from 25+ online bookstores and 30+ buyback vendors with a single search.

Drain Your Brain