One of the themes of Ghosts is The Unbreakable Bond of Sisterhood. How are Maya and Cat alike, and how do they differ? What actions by each of them showcase their deep love and concern for one another? How does their bond help each girl overcome her own inner conflicts?

What is the importance of Discovering One’s Heritage in the story? How do Cat and Maya begin to discover their Mexican heritage upon moving to Bahia de la Luna, and how does each sister react to this journey of self-discovery?

Cat shows strong resistance to the town, the ghosts, and Carlos early in the graphic novel. Why does Cat act out in this way, and what changes to allow her to mature and grow stronger?