No Surrender! Sudoku Hard Puzzle Books

By Senor Sudoku

There should be no retreat, no surrender when you're dealing with difficult Sudoku puzzles. You need to develop the thinking "you got yourself in a mess so you need to get yourself out, too." Sudoku trains you to have creative and analytic thinking skills. It also boosts your re-focus abilities. Start solving Sudoku today.

• Format: Paperback
• Language: English
• ISBN: 1645215555
• ISBN13: 9781645215554
• Release Date: February 2019
• Publisher: Senor Sudoku
• Length: 78 Pages
• Weight: 0.26 lbs.
• Dimensions: 0.2" x 6.0" x 9.0"