Two book Marion Zimmer Bradley bundle.
 
The Bloody Sun (1964, paperback) is a science fiction novel set in the world of Darkover. It follows Jeff Kerwin, who returns to his birthplace after many years to discover the truth about his mysterious parentage and his connection to the telepathic Comyn ruling class. As he unravels the secrets of his past, he becomes embroiled in the political and social conflicts of Darkover. The novel explores themes of identity, heritage, and the clash between technology and tradition.
 
City of Sorcery (1984, hardcover, no dust jacket) follows the journey of the Renunciates, a group of women who reject traditional roles on the planet Darkover. Magda Lorne, a Terran intelligence agent, teams up with her Renunciate friends to search for the legendary hidden city of the sorceresses, rumored to hold great power and knowledge. As they venture into treacherous lands, they face numerous dangers and test their bonds of friendship and loyalty. The novel explores themes of empowerment, sisterhood, and the quest for knowledge in a world filled with magic and mystery.