"1. Big Sudoku book with different difficulty Sudoku puzzles for adults. 2. Will strain your brain without straining your eyes. Easy- to- read format. 3. The medium level is aimed toward an intermediate sudoku player. 4. Each puzzle has a unique solution and there's no guesswork required. 5. For the sudoku puzzle lover, this book makes a great gift for any occasion Birthday, stocking suffers, road trip, or more, everyone will love it Medium Sudoku Book is suitable for those who have already learned to play the game of Sudoku. Sudoku is a logic game relaxing and educational at the same time. The puzzles also encourage your re-focus skills, which is important in accomplishing goals. It is aimed toward an intermediate Sudoku player. There are plenty of 400 sudoku puzzles 9 by 9 for you to enjoy if you want a real challenge. We have included enough grids to give hours of puzzling enjoyment Pocket Sudoku Book is what you can take with you anywhere Grab a pencil and get started
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