Will Shortz Presents Kenken to Go: 100 Easy to Hard Logic Puzzles That Make You Smarter, Paperback

Life's busy but there's alway time for a KenKen puzzle. This portable paperback collection contains 100 easy to hard puzzles that range in size from 3x3 warm up grids to challenging 9x9 size puzzles that really make you break a mental sweat.

Features:
* 100 all-new easy to hard KenKen puzzles
* Big grids for easy solving
* Introduction and instructions from puzzlemaster Will Shortz.

TETSUYA MIYAMOTO, the creator of KenKen, is a math teacher who runs a unique mathematics class for grade school children in Japan where he practices "The Art of Teaching Without Teaching." His teaching method and use of KenKen in his classroom has proven extremely successful. His students regularly go on to be accepted at the most prestigious schools in Tokyo.

WILL SHORTZ has been the crossword puzzle editor of The New York Times since 1993. He is also the puzzlemaster on NPR's Weekend Edition Sunday and is founder and director of the annual American Crossword Puzzle Tournament. He has edited countless books of crossword puzzles, Sudoku, KenKen, and all manner of brain-busters.