Your daily dose of sudoku, for a whole year. Boost your brain with 365 brand new sudoku puzzles to take you through 2010. Rated from novice level through to mildly taxing and on to the teeth-grindingly hard, each game comes with instructions and solutions, meaning there's no reason not to make every day a sudoku day. Plus, if you can take it, there are also the latest killer games from Japan to try- gokigen naname and masyu !