"Adulthood Rites": Desperate to regain their world, childless humans seek to cleanse the alien taint by kidnapping hybrid children. But the raiders are blind to the truth of Earth's new children.
"Imago": The futures of both humans and aliens rest in one young being's successful metamorphosis into adulthood.
Buy Lilith's Brood by Octavia E. Butler from Australia's Online Independent Bookstore, BooksDirect.