Double Trouble Sudoku  -     By: Brainfreeze Puzzles, Philip Riley, Laura Taalman
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Double Trouble Sudoku

Puzzlewright / 2014 / Paperback

$6.29 (CBD Price)
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Retail: $7.95
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Save 21% ($1.66)
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CBD Stock No: WW909927

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Product Description

Double Trouble Sudoku is unique! Instead of appearing only once in every row and column, each number appears TWICE. Plus, instead of the usual three-by-three areas, these puzzles have irregular shapes. These brain teasers will get you thinking outside of the box! 240 pages, softcover. Answers included.

Product Information

Format: Paperback
Number of Pages: 240
Vendor: Puzzlewright
Publication Date: 2014
Dimensions: 5.50 X 5.25 (inches)
ISBN: 1454909927
ISBN-13: 9781454909927

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Publisher's Description

This brand-new sudoku variant will have logic lovers seeing double! Instead of appearing only once in every row and column, each number appears TWICE. And instead of the usual three-by-three areas, these puzzles have irregular shapes. These twists add spice to the solving, variety to the sudoku, and make every puzzle a unique challenge for your eyes and mind.

Author Bio

Mr. Riley is a software developer at Fairfield Language Technologies, and the author of numerous computer programs that analyze variants of sudoku puzzles. Dr. Taalman is a professor of mathematics as James Madison University. Her research interests include singular algebraic geometry, knot theory, and open questions about the mathematics of sudoku and other puzzles. Their 6-year-old son Calvin is not able to solve any of the puzzles in this book  . . .  yet.

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