Publisher's Synopsis
This book contains 303 puzzles sudoku very hard books for adults. All of the puzzles inside the book are 9x9 in hard level.
Sudoku rules are easy. Each number 1,2,3,4,5,6,7,8 and 9 must appear only once in each row, column, and region. Complete this puzzle so that every row across, every column down
and every region contains the numbers 1 to 9.
Each row and each column have only one and exactly one of each of the numbers 1,2,3,4,5,6,7,8,9
- 303 classic Sudoku very hard books for adults
- Sudoku puzzles grid size in the book are 9x9 that are played with nine number 1,2,3,4,5,6,7,8,9
- An answer key for each sudoku puzzle
- Puzzles are printed on high quality white paper, size 8,5 x 11 inches
- 4 puzzle per page
- A simple instructions for beginners
Sudoku puzzles are a proven method for enhancing logic skills. As a logic puzzle, Sudoku is also a great brain game. If you play Sudoku everyday, you'll soon begin to see improvements within your concentration and overall brain power. You could reduce your probabilities of Dementia or Alzheimer's simply by solving Sudoku puzzles.
By using this selection of sudoku puzzle books you would experience enhanced brain capabilities for example focus, logical thinking and memory.
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