Extreme Sudoku for Dummies

Test your skills against some of the most deviously difficult puzzles ever devised

If you find yourself breezing through most Sudoku puzzles without even breaking a sweat, then this is the book for you. Inside you'll find 236 of the trickiest, most demanding puzzles ever published, including several unusual variations. If you're up for a real challenge, get this book, pick up your pencil, and prepare to be perplexed!

Discover how to

• Solve 126 super-tough 9x9 puzzles
• Defeat 12x12 puzzles — 6 included
• Triumph over 16x16 puzzles — 4 included
• Vanquish jigsaw Sudoku — 50 included
• Conquer killer Sudoku — 40 included
• Master circular puzzles — 10 included