Shadow Dancers
by Carl, Lillian Stewart
Book three of the Sabazel series. The emperorAndrion has no heir, and mysterious figures are turning his allies against him. When his wife is kidnapped, he sets aside his crown and travels to an island where men and women are sacrificed in the bull-dance. There Andrion and his companions face a demon-possessed queen, his own precocious nephew, and two gods who are dueling to the death.