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.