365 puzzles - a daily fix of Sudoku ranging from novice-level to teeth-grindingly hard.
The globally successful Penguin Sudoku series has sold over 250,000 copies in the past four years.
Pen ready, brain into gear ... start the New Year with 365 brand new Sudoku puzzles
A Sudoku a day for 2013 to motivate your mind, sharpen your skills and lick your logic into shape. With every level from no-sweat to brain-melting, and each game including instructions and solutions, there's no excuse to neglect those 9x9s.
Plus: Can you take the latest Japanese puzzles?