Title: Courtship rite
First published: 1982
Description: From back cover Timescape paperback September 1983:

On the planet Geta, the only food is man.  And one powerful family, the maran-Kaiel, must make an ambitious marriage with a beautiful, heretical priestess.

Courted, the priestess can only prove her worth in the Ritual of Death.  Courting, the three brothers and two wives of Kaiel fight to survive in a harsh civilization.  The long-silent Sky God has begun to speak.  The priestess and her suitors are swept into the violently unfolding destiny of a dark and ancient past!
Subjects: Cannibalism, Fiction, Canadian fiction
LC classification: PS3561.I487 C6 1982