Mars to Stay it is assumed the planet will be a magnet for settlers as wage costs will be high. Because of the labor shortage on Mars and its subsequent high pay-scale, Martian civilization and the value placed upon each individual's productivity is proposed as a future engine of both technological and social advancement. In the fifth chapter of "Mars Direct", Zubrin addresses the idea that radiation and zero-gravity are unduly hazardous. He claims cancer rates "do" increase for astronauts who have spent extensive time in space, but only marginally. Similarly, while zero-gravity presents challenges, near total recovery of musculature and immune system
Stowaway to Mars a sequel. Stowaway to Mars Stowaway to Mars is a science fiction novel by John Wyndham. It was first published in 1936 as "Planet Plane" (Newnes Limited, London), then serialised in "The Passing Show" as "Stowaway to Mars" and again in 1937 in "Modern Wonder" magazine as "The Space Machine". The novel was written under one of Wyndham's early pen names, John Beynon. It was published by Coronet Books in 1972 as ""Stowaway to Mars" by John Wyndham". . Reviewer Groff Conklin described the first American edition as "an interesting adventure story." The title novella of the collection "Sleepers of