Sudoku helps sharpen your mind, enjoy this great collection of sudoku puzzles, which contains more than 500 challenges in 2 difficulty levels (Medium to Hard!) A must for all Sudoku fans.OVER 500 PUZZLES AND SOLUTIONS: It will take you hours to solve all the puzzles, challenge your mind!VARIETY OF LEVELS: From levels 1 to 2, from medium to hard, challenge your mind with increasingly higher difficulty levelsLAY FLAT: Spiral-bound lays flat for better use at home or on the go. Whether you're eating breakfast, traveling by train, or relaxing on vacation, this sudoku book can go with you.MAKES A GREAT GIFT: For lovers of sudoku puzzles, this book makes a great gift for any occasion! Everyone will love it!THE KING PUZZLE BOOK COLLECTION - Find additional The King puzzle books for all kinds of puzzles, including crossword puzzles, word searches and more.
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