Xenogenesis

When the Oankali, a genetically engineered species, is forced to breed with humans to save its own dying race, the resulting hybrid offspring begin to outnumber and reshape human society. Octavia E. Butler's Hugo Award-winning novel explores themes of gender, power, and the ethics of forced biological transformation through the eyes of Lilith Iyapo, a woman caught at the center of a radical and unsettling transformation.