Nikoli Publishing

The ultimate collection of over 1,000 handcrafted sudoku puzzles, in a range of difficulties, handcrafted by the masters at Nikoli in Japan (whose Workman sudoku books have 1.3 million copies in print combined).It's the marriage of Workman's bestselling Sudoku series and a format that gives fans the joy of more, more, more! The Biggest Bestest Book of Sudoku? features more...