Will Shortz Presents the Dangerous Book of Kenken: 100 Very Hard Logic Puzzles That Make You Smarter -- Will Shortz, Paperback Leprechaun 8-Film Collection a devastating secret draws her

a devastating secret draws her into the murky world of espionage

selected by Chaney historian Jon Mirsalis

It's something you can't escape

Tom Standage is deputy editor of The Economist and author of six history books

Will Shortz Presents the Dangerous Book of Kenken: 100 Very Hard Logic Puzzles That Make You Smarter -- Will Shortz, Paperback Leprechaun 8-Film Collection a devastating secret draws herPuzzle fans have fallen for KenKen and now crave more challenging puzzles. The puzzles in this edition range in size from 6x6 grids to 9x9 grids and for the first time there will also be grids without application symbols. It's the ultimate KenKen challenge This edition will also include How to Solve instructions and an introduction by puzzlemaster Will Shortz. Includes: *100 very challenging KenKen puzzles *Puzzles range in size from 6x6 grids to mind