Penguin Sudoku 2013: 365 Brand New Sudoku for Every Day of the Year Plus the Latest Addictive Japanese Puzzles

An entire year's worth of 365 sudoku puzzles at five levels from easy to brain-taxingly difficult in one addictive and competitively priced book, Penguin Sudoku 2013 was created by puzzle expert and TV quiz writer David J Bodycombe. His globally successful Penguin Sudoku series has sold over 300,000 copies in the past four years