The Everything Giant Book of Brain-Boosting Puzzles: Improve Your Mental Fitness with More Than 750 Challenging Puzzles
Solving puzzles is an easy way to keep mentally fit. And with more than 750 puzzles--from cryptograms and word ladders to brain teasers and sudoku--you are sure to find the perfect mental exercise in this new book! Each puzzle is designed to increase brainpower, improve concentration, and reduce memory loss.
This stimulating and entertaining collection includes: