[de Wohl's readers] will not [...] be surprised at his able arguing which here takes his earth people to Mars and eventually to avert, through spiritual concepts, a Martian invasion. Test pilot Chris Cary, who has a mystic feeling for the Catholic Church, is better able to absorb and understand the superiority of ""unfallen"" Martians and see the reality behind the myth than scientist Brandeis whose use of new fuel and a new design helicopter has taken them to their destination. But the new paradise has its serpent ...