The Penguin Sudoku Challenge Volume 1 Author:David J. Bodycombe A brand-new Sudoku for every day of the year. — Make every day a Sudoku day with 365 brand-new number puzzles! Crafted by game master David J. Bodycombe-whose puzzles are read by more than two million people in more than 300 syndicated newspapers every day- these Sudokus range in difficulty from novice to mildly taxing to teeth-grindingly difficu... more »lt. With instructions and solutions for every puzzle, this is the perfect way for puzzle addicts to get their daily dose.« less