Lilith's Brood by Octavia E. Butler
In this science fiction trilogy, humanity's survival hinges on a post-apocalyptic alliance with an alien race called the Oankali, who possess advanced genetic manipulation abilities. The story follows Lilith Iyapo, a human woman chosen to help awaken and lead other humans from stasis, as they navigate the complexities of coexisting with the Oankali, who seek to merge their species with humans to create a new hybrid race. Themes of identity, transformation, and the ethics of genetic engineering are explored as Lilith and her fellow humans grapple with the loss of their autonomy and the potential for a new beginning.