ISBN 0312546416 books & textbook
Will Shortz Presents I Can KenKen! Volume 1: 75 Puzzles for Having Fun with Math
Miyamoto, Tetsuya KenKen Puzzle, LLC Burns, Marilyn Shortz, Will
St. Martin's Griffin /2008-11-25 Paperback / 112 Pages
isbn-10: 0312546416 / isbn-13: 9780312546410
