Description "The most thrilling and tingling kind of science fiction story."─ Kirkus Reviews "Heinlein found his true direction....
The Martian setting is logically constructed and rich in convincing detail while] the characters are engaging and the action develops naturally." ─Jack Williamson Marking the first appearance of the Martian elder race that plays such a prominent role in.
Description "The most thrilling and tingling kind of science fiction story."─ Kirkus Reviews "Heinlein found his true direction...