If most Sudoku puzzles are too easy for you - Get this book of 200 Hard Puzzles for a real challenge. IMPROVE YOUR SKILLS You can practice solving puzzles that require: X-Wing (20), XY-Wing (70), XYZ-Wing (20), XY-Chain (70), and Coloring (20) logic techniques. A puzzle may not seem very difficult as you start it, but just wait 'til you reach the spot that requires an advanced technique! LARGE PRINT - 2 big puzzles per page give you room for listing candidates. Even the solutions at the back are large print. ...
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If most Sudoku puzzles are too easy for you - Get this book of 200 Hard Puzzles for a real challenge. IMPROVE YOUR SKILLS You can practice solving puzzles that require: X-Wing (20), XY-Wing (70), XYZ-Wing (20), XY-Chain (70), and Coloring (20) logic techniques. A puzzle may not seem very difficult as you start it, but just wait 'til you reach the spot that requires an advanced 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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Seller's Description:
PLEASE NOTE, WE DO NOT SHIP TO DENMARK. New Book. Shipped from UK in 4 to 14 days. Established seller since 2000. Please note we cannot offer an expedited shipping service from the UK.
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Seller's Description:
Supports Goodwill of Silicon Valley job training programs. The cover and pages are in Good condition! Any other included accessories are also in Good condition showing use. Use can included some highlighting and writing page and cover creases as well as other types visible wear.