There's no better way to unwind on your downtime than with a KenKen puzzle -or better yet, one hundred of them So whether you're hitting the road or simple lounging in the backyard, your vacation begins the moment you pick up a pencil Includes: *100 easy to challenging KenKen puzzles *Puzzles range in size from simple 3x3 grids to mind-bending 9x9 grids * Introduction and solving instructions by puzzlemaster Will Shortz