Sudoku Puzzle Book for Adults - 600 Puzzles - Hard, Very Hard & Extreme: Hard to Extreme Sudoku Puzzles with Full Solutions
$9.83
Hard to Extreme Sudoku Puzzle Book for Adults
Playing Sudoku is addictive, and you can never have enough puzzles. When you become a skilled player, you may want more challenging puzzles.
In this book, we have:
200 hard puzzles,
200 very hard puzzles
and 200 extreme puzzles.
Each page has six puzzles, and all the puzzles are well-crafted and easy to read.
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