Samurai Sudoku Puzzle Books Hard - Book 4: Sudoku Variations Puzzle Books - Brain Games For Adults

This book contains 100 sudoku samurai puzzle in Hard difficulty.
Samurai sudoku puzzles contain five overlapping sudoku grids. The regular sudoku rules apply to every 9 x 9 grid. Put numbers from 1 to 9 in every empty cell. Each row, each column, and each 3 x 3 box should consist of one of each digit. The puzzles on Samurai Sudoku have one unique solution that you can get using logic, absolutely no guessing needed.

• 100 Samurai Sudoku Puzzle Books in Hard level
• An answer key for each sudoku puzzle
• Puzzles are printed on high quality white paper, size 8,5 x 11 inches
• Every single puzzle is spread out on one full page, solving could be easy on your eyes

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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