The first in a new series: hard puzzles for serious sudoku solvers. Do you have what it takes? These 200 challenging sudoku puzzles from Will Shortz will keep your mind sharp! Features: - 200 hard puzzles - Big grids for easy solving - Introduction by legendary Puzzlemaster Will Shortz

Can you take the heat? Fire up your brain with these 200 tough sudoku puzzles from puzzlemaster Will Shortz! Extra Hot Soduku features: - 200 hard puzzles to solve - Big grids for easy solving - Introduction by legendary puzzlemaster Will Shortz

100 puzzles rated easy (number 1-90) to moderate (number 91-100) with solutions at end of book.

The weather outside may be frightful, but these puzzles are so delightful! Kick back and relax with these 200 sudoku puzzles that get progressively challenging as you go. Features: - 200 easy to hard puzzles - Big grids for easy solving - Introduction by legendary puzzlemaster Will Shortz

"New York Times" crossword editor and bestselling author Will Shortz presentsthis collection of 150 fast and fun Sudoku puzzles. Original.

Are you tough enough? Take on this collection of 200 devilishly difficult sudoku puzzles and find out! Includes: -200 hard puzzles -Perfect portable size -Edited by Will Shortz Also in the series: -Will Shortz Presents Tough Sudoku -Will Shortz Presents Terrifying Sudoku