5798242
9780451223555
150 of the most fiendishly difficult, never-before-published Sudoku puzzles! The brand-new Sudoku puzzle series that puts even the most fervent players' skills to the test. There are those who play Sudoku, and there are those who step it up and play Sudoku Iron Man. Here are 150 never-before-published puzzles-the most challenging around. This book will have enthusiasts hooked, tackling grid after grid. Even the most avid Sudoku addict will be amazed at the intense challenges Sudoku Iron Manhas to offer...Puzzler Media is the author of 'Sudoku Iron Man #1', published 2007 under ISBN 9780451223555 and ISBN 0451223551.
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