Musidoku is a musical variation on the hugely popular Sudoku number-place puzzle. So, if you're a musician who loves Sudoku, then Musidoku will definitely be your forte. The fascinating number puzzle from Japan which has taken the world by storm now has a musical version, using the same pattern of rows and columns, but with musical symbols instead of numbers. The puzzles are graded throughout the book, beginning with some simple Tuning Up examples through to the hardest Maestro level challenges.