Looking for a fun way to keep your brain active? Sudoku is the perfect solution! Sudoku puzzle book is full of challenging Sudoku puzzles that will keep you entertained for hours. With 1008 puzzles to solve, this book is perfect for adults who love a good challenge. Lots of puzzles: 504 Medium, 504 Hard 6 Sudoku Puzzle on page 8.5 X 11 Including all Solutions in back
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