These Make Me Very Happy Sudoku Hard to Extreme

By Senor Sudoku

Keep your temper in check when solving this book of hard to extreme Sudoku puzzles. You're likely to lose your patience when it takes a good few minutes for you to figure out the patterns in the puzzles. But once you figure it out, oh what joy You will feel a burst of energy, along with improved self-confidence and an undeniable happiness. Begin solving today.

• Format: Paperback
• Language: English
• ISBN: 1645215393
• ISBN13: 9781645215394
• Release Date: February 2019
• Publisher: Senor Sudoku
• Length: 78 Pages
• Weight: 0.26 lbs.
• Dimensions: 0.2" x 6.0" x 9.0"