The book takes its name, though little of its plot, from Arthur Conan Doyle's 1912 novel about the exploration of a remote South American plateau where the dominion of the dinosaurs still continues. A well-publicized expedition from London begins as an invitation to Professor George Challenger to prove his declaration before the Zoological Institute that such a place exists and that he had seen it with his own eyes, having lost his physical evidence in a boat accident on the Amazon. The narrator is a young journalist Edward Malone, who accompanies Challenger, Summerlee, a skeptical professor of comparative anatomy and the eldest of the party, and lastly the famous adventurer Lord John Roxton to the vast, nearly-unexplored reaches of the Amazon River, where in the dense jungle, surrounded by unfriendly natives, the forbidden world awaits them. Stranded on top of the plateau by the treachery of one...