Once you've mastered the easy puzzles it's time to take it up a notch Includes: -200 medium-level puzzles -Perfect portable size -Edited by 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 Wil

"New York Times" crossword puzzle editor Will Shortz delivers another collection of 150 simple, easy-to-complete Sudoku puzzles. Original.

"New York Times" crossword puzzle editor Will Shortz delivers another collection of 150 simple, easy-to-complete Sudoku puzzles.

Sudoku fans everywhere have spoken and they are eager for more challenging puzzles. This book of 100 mind-melting puzzles is for the bravest sudoku solvers! Gra