Will Shortz Presents KenKen to Exercise Your Brain : 100 Challenging Logic Puzzles That Make You Smarter

KenKen is known around the world as a fun and wildly addictive game but did you know that it was originally created as a teaching tool to hone math, logic, and reasoning skills? So grab a pencil and and enjoy this fun way to strengthen your mind!

*Refresh and renew the "little grey cells" with 100 easy to hard KenKen puzzles
*Edited by legendary New York Times puzzlemaster Will Shortz
*Big grids with lots of space for easy solving