Secret Agent of Terra
Secret Agent of Terra is a 1962 science fiction novel by British writer John [Brunner (novelist)|John Brunner]. It is the first book of the Zarathustra Refugee Planets series; the other books are Castaways' World and The Repairmen of Cyclops. Secret Agent of Terra was first published as Ace Double Novels|Ace Double] F-133, with The Rim of Space by A. [Bertram Chandler].
Brunner later reworked the story for his 1969 novel The Avengers of Carrig.