Insane Sudoku: 100 Extremely Difficult and Challenging Sudoku Puzzles Expertly Created for Serious and Professional Sudoku Fans [Large Print]

By Puzzlestoria

Insane Sudoku A great collection of the toughest Sudoku puzzles for the experienced Sudoku fan. Get ready to experience hours of brain training 100 new 9x9 insane level Sudoku puzzlesLess than 25 pre-filled numbers per puzzleQuality paper and premium matte coverLarge Print edition with plenty of space to work withSolutions key at the back pages

• Format: Paperback
• Large Print: Yes
• Language: English
• ISBN: B08P3SBSWK
• ISBN13: 9798572955903
• Release Date: November 2020
• Publisher: Independently Published
• Length: 124 Pages
• Weight: 0.67 lbs.
• Dimensions: 0.3" x 8.5" x 11.0"