She

H. Rider Haggard

An enduring adventure yarn set in pre colonial Africa, culminating in the discovery of a lost civilization ruled by a beautiful eternally youthful queen. "She is generally considered to be one of the classics of imaginative literature and with 83 million copies sold by 1965, it is one of the best-selling books of all time." See more at: http://en.wikipedia.org/wiki/She_(novel)