The Hard Puzzle Book: Become The Best Sudoku Solver On Your Block With This Book Of Daily Sudoku Challenges That Will Stimulate Your Brain (

by Masaki Hoshiko

9 Out Of 10 Sudoku Enthusiasts Have Failed To Solve Our Sudoku Puzzles.

Are You Up To The Challenge?

Are you sick and tired of all those boring newspaper-grade Sudoku puzzles?

Do you want to test your puzzle-solving skills and take on the hardest Sudoku puzzles out there?

Do you want to spend endless...

• Format: Paperback
• Language: English
• ISBN: 1094975621
• ISBN13: 9781094975627
• Release Date: April 2019
• Publisher: Independently Published
• Length: 306 Pages
• Weight: 0.67 lbs.
• Dimensions: 0.6" x 5.0" x 8.0"