Sudoku Brain Strain

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.

• | Author: Sheridan Fletcher
• | Publisher: CreateSpace Independent Publishing Platform
• | Publication Date: Oct 04, 2016
• | Number of Pages: 126 pages
• | Language: English
• | Binding: Paperback
• | ISBN-10: 1539335313
• | ISBN-13: 9781539335313