"It's not that I'm so smart, I just stay with a problem longer." -- Albert Einstein

"Too often children are given answers to memorize rather than problems to solve." --Dr. Edwin F Meyer, Theoretical Nuclear Physicist and Director of the Gedanken Institute

The Gedanken Institute Book of Puzzles

This book is great for those who could use some fun and unique intellectual challenges.  The Gedanken Institute Book of Puzzles is filled with a variety of puzzles ranging in difficulty from moderate to virtually impossible. The puzzles inside, which include spatial problems, logic problems, linguistics problems, and many more, will keep you puzzling for months. This is a collection of just the best puzzles we have.

ISBN: 978-0-9885889-1-2



"Despite the importance of , it is one of the least engaged intellectual skills in K-12 and university education."
-- Center for the Study of Collaborative - University of Missouri