Wsp Brain Busting Kenken, Paperback/Will Shortz

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KenKen is a crafty game; change a few numbers around and what was once a quick and easy puzzle is now a mind-melting challenge! And that challenge is what puzzle fans love best. And it's also a great way to keep your mind sharp. So Will Shortz is back with this volume contains 100 challenging KenKen puzzles. The puzzles range in size from 6x6 grids to 9x9 grids. So grab a pencil and and enjoy this fun way to strengthen your mind! *Refresh and renew the "little grey cells" with 100 challenging KenKen puzzles *"How to Solve" instructions and an introduction by puzzlemaster Will Shortz *Big grids with lots of space for easy solving About author(s): 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.