Doku Mino (dō-kü mee-noh) is a Sudoku style puzzle book, combined with a fictional story about a missing girl.  With each number representing a letter, this new style of play puts you in the story as you solve puzzles to unlock clues to her whereabouts.  With over 200 puzzles ranging from Easy to Hard and an exciting story to uncover, Doku Mino is a must have and perfect gift for the Sudoku lover in your life.