A sequel to "King Solomon's Mines". Chronologically, though written second, this is the tenth volume of the series. Quatermain and his companions discover an underground river that leads them into a mysterious lost city in the heart of Africa.
Genre: Fiction + Literature Themes, Fiction + Literature Genres
Subgenre: Romance, Science Fiction + Fantasy, General, Types of Characters, Conflicts + Dualities, Literary Genres + Types of Novels