Sudoku Iron Man #1: Sudoku Iron Man #1: 150 Fiendishly Difficult, Never-Before-Published Puzzles

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 Man has to offer...

Author: Puzzler Media
Publisher: Berkley / Nal
Published: 11/06/2007
Pages: 208
Binding Type: Paperback
Weight: 0.45lbs
Size: 8.10h x 5.50w x 0.60d
ISBN: 9780451223555

About the Author
Puzzler Media Limited is responsible for a broad range of puzzle titles. Its magazine Puzzler is particularly well known. The company also publishes puzzles as books, games, and CDs.