Etidorhpa, or, the end of the earth: the strange history of a mysterious being and the account of a remarkable journey is the title of a scientific allegory or science fiction novel by John Uri Lloyd, a pharmacognocist and pharmaceutical manufacturer of Cincinnati, Ohio. Etidorhpa was published in 1895.The word "Etidorhpa" is the backward spelling of the name "Aphrodite." The first editions of Etidorhpa were distributed privately; later editions of the book feature numerous fanciful illustrations by John Augustus Knapp. Eventually a popular success, the book had eighteen editions and was translated into seven languages.



John Uri Lloyd (19 April 1849 9 April 1936) was an American pharmacist and leader of the eclectic medicine movement who was influential in the development of pharmacognosy, ethnobotany, economic botany, and herbalism.He also wrote novels set in northern Kentucky. His most popular novel was the science fiction or allegorical Etidorhpa, or, the end of the earth: the strange history of a mysterious being and the account of a remarkable journey (1895). First distributed privately, it was later illustrated and printed in eighteen editions. Translated into seven languages, it was widely read in Europe as well as the United States.