Teach Yourself Sudoku
Combining the excellence that is customary of the teach yourself brand with the very latest developments in the world of Sudoku, this collection of puzzles is suitable for amateur and genius alike. It 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 for those who delight in truly fiendish logical puzzles.