The New York Times’ crossword editor and NPR’s puzzlemaster invites you to try your hand and mind at solving some incredible brainteasers in Will Shortz Presents Ferocious Sudoku: 200 Hard Puzzles. Perfectly sized for traveling with big grids for easy solving, discover if you are tough enough to take on the challenge of this collection of 200 devilishly difficult sudoku puzzles!

Are you tough enough? Tkae on this collection of 200 devilishly difficult KenKen puzzles!

The hottest puzzle craze in the nation heats up with this new collection of 150 Sudoku puzzles from the #1 name in American puzzling. Original.

Tame the wildest puzzle around! Sudoku is the puzzle craze that's sweeping the country. Now you can get in on the action and become a master sudoku solver! Will Shortz Presents the Jungle Book of Sudoku for Kids features: - 150 brain-tickling sudoku puzzles - 4 difficulty levels from fun to ferocious! - Introduction and solving tips from legendary puzzlemaster Will Shortz

This volume features 200 of the most devious puzzles ever created Features: - 200 mind-melting puzzles - Edited by legendary New York Times crossword editor Will Shortz - Portable and affordable package

The biggest, best collection of KenKen puzzles ever published!

Are you up for the challenge? Put your sudoku-solving skills to the test with this collection of ferocious sudoku puzzles! Features: · 100 challenging puzzles · Edited by legendary New York Times crossword editor Will Shortz · Big grids with lots of space for easy solving