Sudoku Extreme: 200 Extreme Sudoku Puzzles. These extremely difficult Sudoku puzzles will keep you solving for hours upon hours. Solutions included. (Extreme Sudoku Puzzle Books)

By Puzzle Proof

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• Format: Paperback
• Language: English
• ISBN: 1699599971
• ISBN13: 9781699599976
• Release Date: October 2019
• Publisher: Independently published
• Length: 155 Pages
• Weight: 0.02 lbs.
• Dimensions: 11.0" x 0.4" x 8.5"