Oath of the Renunciates(1983)
The shattered chain / Thendara House
(A book in the Darkover Omnibus series)
An omnibus of novels by Marion Zimmer Bradley
Book Club hardcover with dustjacket, 1983. Omnibus edition of two "Darkover" novels: "The Shattered Chain" (1976) and "Thendara House" (1983). These are two of the three novels of the "Renunciates" sub-series; all three were collected in a another omnibus entitled "The Saga of the Renunciates" (2005).
Used availability for Marion Zimmer Bradley's Oath of the Renunciates