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Play Sudoku Puzzles to Improve Your IQ - a book by Toth, Kalman

Play Sudoku Puzzles to Improve Your IQ

Play Sudoku Puzzles to Improve Your IQ( )
Author: Toth, Kalman
ISBN:978-1-4927-4869-4
Publication Date:Sep 2013
Publisher:CreateSpace Independent Publishing Platform
Book Format:Paperback
List Price:USD $14.95
Book Description:

SOMETHING MAGIC ABOUT SQUARE PUZZLES! THEY ARE SIMPLY IRRESISTIBLE. SCIENTIFICALLY PROVEN THAT REGULAR SUDOKU PUZZLE SOLVING IMPROVES IQ AND KEEPS BRAIN IN TOP SHAPE. 500 9x9 SUDOKU PUZZLES WITH SOLUTIONS. DIFFICULTY LEVELS: VERY EASY, EASY, MEDIUM, HARD, BEAST & DEVIL. COMPUTER CAN SOLVE "VERY EASY" SUDOKU PUZZLES IN LESS THAN A SECOND, MEANWHILE "DEVIL" DIFFICULTY LEVEL PUZZLES TOOK AROUND 6 SECONDS. FORMATTED 2 TO A PAGE FOR EASY SOLUTION WORK. EACH PUZZLE WAS CHECKED FOR A SINGLE...
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Book Details
Pages:340
Physical Dimensions (W X L X H):7.44 x 9.69 x 0.77 Inches
Book Weight:1.68 Pounds

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