From the Back of the Book: The underground city of Leedor is just another stop on the interstellar trade route until the crew of the March Harrier comes to the aid of an alien Vargr. They soon discover that the alien's jeweled ornament is more than mere decoration, and the powers pursuing the ornament turn their trading voyage into a mission of danger. This science fiction story is written in the form of a role-playing adventure in which readers assume the identities and characteristics of the starship crew members. A referee, using the Traveller rules, guides the players from planet to planet as they uncover clues and seek the answer to the puzzle of the ornament. Play of this science fiction adventure requires The Traveller Book (or boxed set of Traveller rules), paper, pencil, and two six-sided dice.