Drain Your Brain
Description:
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!
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