From the back cover: "Edison is an electric dog living on the streets in San Cristobal de las Casas, Mexico. Street life is tough, so when a girl named Faith rescues Eddie after he is hit by a taxi, he couldn't be happier.
Although Faith loves Eddie, she hates Mexico. Longing to return to San Francisco, she builds a tin rocket ship to take her there. Fueled by pork fat and hot peppers, the Peahen lands on a deserted bone-shaped island far away.
Can Eddie help Faith return home? To her real home?