Lando Calrissian and the Starcave of ThonBoka

For a year Lando Calrissian and Vuffi Raa, his five-armed robot astrogator, had roamed space in the Millennium Falcon, seeking or creating opportunities to turn an easy, but not too dishonest, credit. But now their partnership seemed doomed-for Lando's uncharacteristic impulse to help a race of persecuted aliens had suddenly made him and Vuffi vulnerable to several sets of their own enemies...not least of whom was the evil Rokur Gepta, the Sorcerer of Tund!