"My Father's Dragon" is a children's novel written by Ruth Stiles Gannett. The story follows a young boy named Elmer Elevator who embarks on an adventure to rescue a baby dragon. Elmer learns about the dragon's plight from a stray cat and decides to travel to Wild Island to help. Throughout his journey, Elmer encounters various animals and faces challenges that test his courage and resourcefulness. He uses clever tricks and items he collects along the way to navigate the island and ultimately save the dragon, showcasing themes of bravery and friendship.