"The Sands of Time"@en . "292"^^ . . . . . "ISBN 0-426-20472-7" . . "The Sands of Time is a Virgin Missing Adventures original novel written by Justin Richards based on the long-running British science fiction television series Doctor Who. It features the Fifth Doctor, Nyssa and Tegan. The story is a sequel to the 1975 Fourth Doctor Pyramids of Mars and once again features the Osirans."@en . . . . .