The Tarzan Twins by Edgar Rice Burroughs, Fiction, Action & Adventure

The story follows two cousins, Dick and Doc, who are known as the Tarzan Twins due to their familial ties to Tarzan. Their adventure begins when they visit Tarzan's estate in Africa, where they become lost in the jungle and captured by cannibals. After escaping, they encounter Tarzan's pet lion and get involved in a rescue mission for Gretchen von Harben, the daughter of a missionary. The twins, despite their differences, excel in athleticism and embody the spirit of adventure, showcasing their bravery and resourcefulness throughout their journey.