In Men's Shadows (The Colonies of Earth Series)

Matthew, a robotics genius who likes to cook and pull pranks on nanny bots, falls for Gerri, a half air nymph writer who is the daughter of Persefoni who lives in men's shadows. Gerri learns the truth about Persefoni and writes a book about it which results in some dangerous consequences for Gerri, Matthew and Gerri's siblings.