Hard SUDOKU Puzzle Book For Adults – 200 Large Print Puzzles

If most Sudoku puzzles are too easy for you – Get this book of 200 Hard Puzzles for a real challenge!

  • IMPROVE YOUR SKILLS - Get lots of practice solving puzzles that require these advanced logic techniques:
    • X-Wing (20 puzzles)
    • XY-Wing (70 puzzles)
    • XYZ-Wing (20 puzzles)
    • XY-Chain (70 puzzles)
    • Coloring (20 puzzles)
    A Sudoku may not seem very difficult as you start it, but just wait ‘til you reach the spot that requires a tricky technique!

  • LARGE PRINT - 2 big puzzles per page give you room for listing candidates. Even the solutions at the back are large print.

  • EXTRA WIDE INNER MARGINS make it easier to fold back the book or tear out pages when you are on-the-go.

  • STURDY WHITE PAPER increases visibility and holds up well when you erase.
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