ISBN 0312603215 books & textbook
The New York Times Will Shortz Presents KenKen: 300 Easy to Hard Puzzles That Make You Smarter
The New York Times Miyamoto, Tetsuya KenKen Puzzle, LLC Shortz, Will
St. Martin's Griffin /2009-05-26 Paperback / 368 Pages
isbn-10: 0312603215 / isbn-13: 9780312603212
