This collection specifically for discerning puzzle lovers contains Sudokus arranged by increasing level of difficulty. Perfect for Sudoku beginners and experts alike. The Ingenious Books are created especially for those discerning puzzle lovers who enjoy the challenge of finely crafted sudokus and other puzzle types. The challenges in this series are created by one of the world's leading puzzle authors, with great experience of producing puzzles that are enjoyably challenging, meaning that the dedicated puzzler will be sure of a satisfying solving experience. | Super Sudoku by Ben Addler, Paperback | Indigo Chapters