Master these tricky number puzzles Combining the excellence that is customary of the Teach Yourself brand with the very latest developments in the world of Sudoku, this collection of more than 200 puzzles is suitable for amateurs and geniuses alike. "Win at Sudoku," written by the compiler of Sudokufun.com, contains hints and strategies for solving the infernal beasts, in addition to information on the technological trickery involved, with full guides to online resources and even an explanation of how it works. There's even a collection of advanced puzzles if you delight in truly fiendish logical puzzles.

You can also visit teachyourself.com for tests, extension articles and a vibrant community of like-minded learners. And if you don't have much time, don't worry--this book gives you one-, five-, and 10-minute bites of learning to get you started.