Sudoku Extremely Difficult BOOK 6 : For the Sudoku Lover These Are Brand New Extremely Difficult Sudoku Puzzles. Warning Very Difficult

By The Sudoku Masters

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• Format: Paperback
• Language: English
• ISBN: 1653561661
• ISBN13: 9781653561667
• Release Date: December 2019
• Publisher: Independently Published
• Length: 111 Pages
• Weight: 0.77 lbs.
• Dimensions: 0.3" x 8.5" x 11.0"