Title: Attack of the Ferb snatchers!
Description: Candace has always known that her brothers are a little weird, especially Ferb, who never seems to talk. But after watching an all-night science-fiction movie marathon, she's convinced that Ferb is actually an alien! Can Candace prove her brother is really from another planet?
Subjects: Brothers, Juvenile fiction, Extraterrestrial beings, Fiction, Children's fiction, Science fiction, Brothers and sisters, fiction