Ultimate Sudoku Secrets: Challenging Hand-Crafted Sudoku Puzzles and How to Solve Them

By Alan Williams-Key

The author presents techniques for solving Sudoku puzzles, gleaned from his own research as well as the public domain. Each technique is explained in sequence in increasing complexity and puzzles presented at each level of complexity. Every puzzle has a step-by-step solution using a notation devised by the author.In this way the reader who gets stuck on a puzzle can identify what can be done to progress forward from the point at which they have got stuck and can either follow the solution or continue with the puzzle themselves. A total of 200 puzzles and step-by-step solutions are included, ranging from easy to very challenging.

• Format: Paperback
• Language: English
• ISBN: 1505532442
• ISBN13: 9781505532449
• Release Date: December 2014
• Publisher: CreateSpace Independent Publishing Platform
• Length: 312 Pages
• Weight: 1.19 lbs.
• Dimensions: 9.0" x 0.7" x 6.0"