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Pages: 120, Paperback, Independently published
Independently Published
Extreme Sudoku Challenge: Challenge Difficult puzzles 6x9 inches, 120 pages 60 Solutions included
Extreme Sudoku Challenge: 500 Expert-Level Puzzles with Solutions
Vacation Sudoku: Micro Challenge Edition: Sudoku Puzzles for Edition 5 x 8...
Extreme 16x16 Sudoku Challenge: Insanely Difficult Mega Grid Brain Teasers for Hardcore Puzzle Fans
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