The Lost World
"The Lost World" by Arthur Conan Doyle is an adventure and science fiction novel published in 1912. When journalist Edward Malone seeks a dangerous assignment to prove himself, he joins the formidable Professor Challenger on an expedition to a remote South American plateau. There, the team encounters living dinosaurs, prehistoric creatures, and hostile ape-men in a hidden world lost to time. Stranded by treachery and facing unknown dangers, the explorers must survive in this extraordinary land where ancient life still thrives.
Wikipedia page about this book: en.wikipedia.org/wiki/The_Lost_World_(Doyle_novel))