Double Black Diamond Sudoku, 500 All New Puzzles, Experts Only Beyond This Point: Beyond Expert Sudoku, Math Logic Puzzles, Harder than Hard, more Difficult than Difficult, Experts Only Please

By Costello Ireland

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• Format: Paperback
• Language: English
• ISBN: B08WJZD6LL
• ISBN13: 9798708209085
• Release Date: February 2021
• Publisher: Independently Published
• Length: 150 Pages
• Weight: 0.80 lbs.
• Dimensions: 0.3" x 8.5" x 11.0"