This book can be downloaded and read in iBooks on your Mac or iOS device.
This book tells you in a very practical way how to solve Sudoku puzzles.
First, it describes in detail and with examples fourteen solving strategies, from the very simple to the very complex.
Then, it explains how to apply the strategies you have learned to forty puzzles of increasing levels of difficulty.
No other book will teach you how to solve Sudoku puzzles as effectively as this one, but be warned: after reading it, you will discover that the puzzles in your local paper are not so challenging after all!