Ferris follows Ferris Wilkey during a chaotic summer before fifth grade. Her little sister Pinky wants to become an outlaw, her uncle creates a strange project in the basement, and her grandmother Charisse believes she has seen a ghost. As Ferris tries to handle her unusual family problems, she discovers lessons about love, courage, growing up, and the importance of family. The novel combines humor, mystery, and heartfelt moments in Kate DiCamillo’s warm storytelling style.