This the time to give your mental muscles a real workout of clever and cunning challenges the perfect way to keep your mental health for long years

Are you a slave to sudoku? It's time to surrender to your puzzle cravings. This collection of two hundred challenging puzzles will have you coming back for more! Features: - 200 hard sudoku puzzles - Big grids for easy solving - Introduction by legendary puzzlemaster Will Shortz

Ready for some tough love? Snuggle up with this collection of 200 challenging sudoku puzzles from puzzlemaster Will Shortz! Features: - 200 hard puzzles - Big grids for easy solving - Introduction by legendary puzzlemaster Will Shortz

The next in our new series of only the toughest 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

An all-new collection of over 300 puzzles from puzzle master Charles Timmerman! The latest collection of word searches is packed with more than 300 new puzzles that feature fun and engaging themes, including literature, popular culture, nature, history, and geography. This giant collection is the perfect companion for word search enthusiasts who can’t get enough of puzzles!

With their stylish design, Pocket Size Puzzles series is bound to be the books every puzzle fan will want to be seen solving this season. Edited by puzzlemaster Will Shortz, this handsome book offers 100 hard sudoku puzzles in a convenient portable size. Features: - 100 hard puzzles - Perfect portable size - A great gift for any holiday

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