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Hard, Harder and Hardest Puzzles: Sudoku Hard To Extreme Edition

by Hard, Harder and Hardest Puzzles: Sudoku Hard To Extreme Edition

$16.28

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Description

The puzzles in this book will only get more challenging the longer you play. A progressive game will push you outside of your comfort zone. You grow better when you're tested, and that means mental development. You will notice that your logical thinking and creativity will improve, as manifested by the speed of solving. Get a copy today!

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Product Details

  • Feb 15, 2017 Pub Date:
  • 9780228206569 ISBN-13:
  • 0228206561 ISBN-10:
  • English Language