WSP BRAIN TRAINING KENKEN

Boost your brainpower with KenKen! This collection of KenKen will help you flex your mental muscles. So grab a pencil and see if you're a KenKen master! Includes: - 100 challenging KenKen puzzles - Puzzles that range in size from easy 5x5 grids to mind-bending 9x9 grids - Introduction and solving instructions by puzzlemaster Will Shortz