The Lost World, by Arthur Conan Doyle.
Two rivaling professors, a journalist, a young wealthy woman and a teenage boy travel through Africa in search of "The Lost World": a place where dinosaurs still roam. the lost world
Hounds of the Baskervilles by Arthur Conan Doyle
The recent death of Sir Charles Baskerville stirs up a dangerous business. For the "luminous, ghastly, and spectral" hound of the family legend has been seen roaming the moors at night. arthur conan doyle e-book e-novel