For a year Lando Calrissian and Vuffi Raa, his five-armed robot astrogator, had roamed space in the Millennium Falcon on the lookout for opportunities to turn an easy--but not too dishonest--credit.  But then Lando had gone out on a limb to help a race of persecuted aliens, and now he and Vuffi were up against several sets of their own enemies--including the evil Rokur Gepta, the Sorcerer of Tund!