Mel Oliver and Space Rover on MarsMel Oliver and Space Rover on Mars is a children's science fiction novel by American writer William Morrison. It was published in 1954 by Gnome Press in an edition of 4,000 copies.Plot introductionThe novel concerns the adventures of a boy and his sapient dog as they join an interplanetary circus on a voyage to Mars.ReceptionAnthony Boucher praised the novel as "the most enjoyable non-Heinlein s.f. for the young" in several years, describing Morrison's writing as "easy, lively, humorous and charming."