Tharkol, Lord of the Unknown : a Novel
London : World Distributor/Sidney Pemberton, 1950
160 p. ; 19 cm. pbk ￡1/6
Original: The Prisoner of Mars
“A mighty Martian race bridges starless space to steal the Oceans of the Earth” — Cover
“A terrific story of a mighty Martian race that bridge starless space to steal the oceans of the earth.”–back cover of The Monsters of Juntonheim