E Charles Vivian's best known work of fantasy, a lost world adventure, on an unidentified island somewhere in what is now the Indonesian islands, where lingers remnants of -- is it Atlantis, or Lemuria?

First published in 1922, it was reprinted in Famous Fantastic Mysteries Magazine in 1947, and again in the 1960s in paperback by Centaur Press.

He also wrote the "Gees" series under the pseudonym Jack Mann, also in this Library.