Will Shortz Presents Terrifying Kenken: 100 Very Hard Logic Puzzles That Make You Smarter Binding: Paperback Publisher: St Martins Pr Special Publish Date: 2011/06/07 Language: ENGLISH Pages: 100 Dimensions: 9.25 x 6.00 x 0.50 Weight: 0.34 ISBN-13: 9780312588465