2fer 'One Choice' Sudoku

Are you hooked on SuDoku-a true SuDokuholic looking for a challenge? Each challenging puzzle contains a single 'One Choice' number-can you spot it?<p>Though there are other methods to solve SuDoku puzzles you're stuck on practice in spotting 'One Choice' numbers will often give you what you need to continue.<p>Why '2fer'? Not only is each challenging-level puzzle diagonally joined to a puzzle on each book page it's also joined to a puzzle on prior/following pages. As well all 122 puzzles are an extension to The World's Longest SuDoku Puzzle.* <p>Includes strategy for solving SuDoku puzzles instructions on how to de-mystify 2fer puzzles and secret tips on how to find 'One Choice' numbers.<p>Joe Defries is a current 2-time Guinness<sup>TM</sup> World Record Holder* and is the joe in SuJoku.com & joe-ks.com (the Largest Source of Internet Humour).<p>Look for more challenging SuDoku puzzles for all difficulty levels-in our upcoming 2fer Puzzle Series-including new Quad (Hyper) Music and Symbol SuDoku puzzles. You'rel on your way to becoming a suJokuholic!