Sudoku Brain Strain

By Sheridan Fletcher

For years the world celebrated mathematician and puzzle setter, Sheridan Fletcher, has been creating the most devious of puzzles. Now, after numerous requests, he has finally decided to share and publish his first volume of Sudoku puzzles for your enjoyment. This book includes 500 of the most deviously difficult puzzles for you to attempt to solve. Full solutions are also given.

• Format: Paperback
• Language: English
• ISBN: 1539335313
• ISBN13: 9781539335313
• Release Date: October 2016
• Publisher: Createspace Independent Publishing Platform
• Length: 126 Pages
• Weight: 0.68 lbs.
• Dimensions: 0.3" x 8.5" x 11.0"