Hard to Extreme Sudoku - 300 Challenging Puzzles - Volume 1: Hard, Very Hard and Extremely Hard Puzzles for Sudoku Experts (Paperback) (ISBN-13: 9798708967916)

Hard to Extreme Sudoku Puzzles

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:

100 hard puzzles,

100 very hard puzzles

and 100 extreme puzzles.

Each page has four puzzles, and all the puzzles are well-crafted and easy to read.

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