When you buy this book you get an electronic version (PDF file) of the interior of this book. You can play the puzzles in this book on your mobile phone! Jigsaw

When you buy this book you get an electronic version (PDF file) of the interior of this book. You can play the puzzles in this book on your mobile phone! Sudoku

The sudoku craze keeps growing, with no end in sight--and as its popularity builds, fans keep an eagle eye out for fresh formats featuring their favorite puzzle

Sudoku designers the world over will weep and gnash their teeth at the revelations in this comprehensive guide to cracking the addictive puzzles--but solvers wi

These sudoku are LOCO! Solvers who enjoy shaking things up a little will go crazy over these 83 challenging puzzles. Each one actually includes five overlapping