First it swept Japan, then England, now the U.S. is caught in the frenzy of sudoku---the new puzzle craze! From Puzzlemaster and New York Times crossword editor Will Shortz comes the third volume of Pocket Sudoku, a brand-new collection featuring 150 sudoku, along with an introduction that explains these mind-bening puzzles and how to solve them. These puzzles are fun and easy to understand---just fill the grid with numbers according to one simple rule. No math is required to solve them---all you need is a pencil. Once you try one sudoku, you'll be hooked. If you're a crossword fan or just a puzzle lover in general, you'll want to get your hands on this collection of sudoku.