The Times Fiendish Su Doku Book 1

The puzzles in this collection of treacherously difficult puzzles will stretch even the most advanced Su Doku enthusiast. You will need to use all of your best solving techniques to get to the end of this testing challenge. The puzzles in the collection are of the highest quality and are perfect for the advanced solver in need of a constant supply of ultra-difficult puzzles. Guaranteed to provide hours of mind-stretching entertainment.

A collection of 200 previously unpublished Fiendish Su Doku puzzles. Perfect for the expert solver in need of a constant supply of ultra-difficult puzzles. Guaranteed to provide hours of absorbing, brain-stretching entertainment.

These are previously unpublished quality Su Doku grids from The Times, and help to develop you to take on Extreme Su Doku. The 200 puzzles in this collection of treacherously difficult puzzles will stretch even the most advanced Su Doku enthusiast. You will need to use all of your best solving techniques to get to the end of this testing challenge. The puzzles in the collection are of the highest quality and are perfect for the advanced solver in need of a constant supply of ultra-difficult puzzles. Guaranteed to provide hours of mind-stretching entertainment.

Welcome to the 9 Circles of Sudoku Hell! From Merciless to Maddening to Murderous, this is a book to challenge even the most seasoned Sudokuist. By the end of this book, you'll be a Sudoku Genius. With 144 puzzles (and solutions) and an advanced strategies master class from puzzle expert Tom Sheldon, Sudoku Genius includes logical strategies such as: · The Force (and its variant, the Pincer) · Channeling · Completing the Square With these strategies in your arsenal, you'll have everything you need to solve these puzzles--if you dare to take the Genius challenge.

Specially compiled to provide the most deadly Su Doku challenge, this is the only volume for Su Doku enthusiasts who need a puzzle that really tests their mettle.Prepare yourself for the toughest Su Doku challenge there is. These diabolically difficult Ultimate Killer Su Doku puzzles will really put your brainpower to the test as you 'warm up' with the 100 Deadly Killer puzzles before steeling yourself to take on the 100 Extra Deadly Su Dokus. Are you ready for the challenge?Not for the faint-hearted. The puzzles use the same 9x9 grid as a regular Su Doku, but have an extra mathematical element that multiplies the challenge. The aim is not only to complete every row, column and cube so that it contains the digits 1 to 9, but also to make sure that the outlined sections, called cages, add up to the number given in each cage.Warning: Not suitable for amateur puzzlers!

A collection of 200 previously unpublished Difficult Su Doku puzzles. Perfect for the more advanced Su Doku solver in need of a constant supply of challenging puzzles. Guaranteed to provide hours of absorbing, brain-stretching entertainment.

This is Su Doku multiplied: every column, row and 3x3 box must contain the digits 1 to 9. Where the puzzles overlap, the rows and columns do not go beyond their usual 9x9 length but the interlocking boxes give you more clues--and more complexity. With another 100 new Samurai puzzles to vex you for hours, lose yourself in the four levels of this book: 10 easy, 40 mild, 40 difficult, and 10 super difficult.

These are previously unpublished quality Su Doku grids from the puzzle providers to The Times, and help to develop you to take on Extreme Su Doku. The 200 puzzles in this collection of treacherously difficult puzzles will stretch even the most advanced Su Doku enthusiast, and are guaranteed to provide hours of mind-stretching entertainment.