This book of extremely challenging Sudoku might cause frustration at first. But if you are committed to solving the puzzles, and you actually complete them, you will experience a different kind of happiness. You will experience a great boost in self-confidence. Yes, every hard Sudoku puzzle in this book is worth the effort. Grab a copy today!
| Author: Speedy Publishing |
| Publisher: Speedy Publishing LLC |
| Publication Date: Sep 20, 2017 |
| Number of Pages: 158 pages |
| Language: English |
| Binding: Paperback/Mathematics |
| ISBN-10: 1541942086 |
| ISBN-13: 9781541942080 |