The Guardian All-New Sudoku 1: A collection of more than 200 fiendish puzzles
Test yourself against the world's favourite puzzle, with 210 previously unpublished sudoku to savour.
The Guardian 's sudoku puzzles are enjoyed by hundreds of thousands of people every day. These brand-new puzzles will provide hours of entertainment for anyone who enjoys unwinding with some mental gymnastics. The puzzles have been designed to increase in difficulty as the book progresses, meaning the book can be enjoyed by both novice and master alike. This it the first book in a new Guardian puzzle series.
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