Figure out how to complete a killer puzzle in 85 minutes or less!

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

Have you worn out all of your pencils mastering ever-changing Sudoku puzzles? Have you stepped up your game to the next level and now seek something a little more demanding? Do you crave the challenge of more cunning, deadly Sudoku?

Extreme Sudoku For Dummies features 236 beyond diabolical puzzles to challenge even the most skilled expert—perfect for anyone who wants to be a true Sudoku master. In this book you will not only discover some amazingly tricky Sudoku puzzles, but also face new challenges in the form of Killer Sudoku, Irregular Sudoku, and other recently developed variations. And you won't need to rely on guesswork—you'll find an easy-to-understand, logical approach that will help you tackle even the most difficult puzzles in the book. Extreme Sudoku For Dummies offers:

• An overview of Sudoku basics
• Variations such as 9 x 9, 12 x 12, 16 x 16, jigsaw, circular, and killer puzzles
• Useful strategies to filter out candidates and solve puzzles, one step at a time
• The lowdown on advanced strategies such as Naked Pairs, Naked Triplets, Hidden  Pairs, X-Wing, Y-Wing, and other techniques
• Time completion estimates so that you can use the clock to measure your progress and ability

Along with a wealth of puzzles that will test every Sudoku player's skill, Extreme Sudoku For Dummies provides the tips, tricks, advice, and strategies to help you become a true master of the game.