Special Investigator Billy Neville was annoyed, and for more reasons than one. He had just done a tedious year in the jungles of Venus stamping out the gooroo racket and then, on his way home to a well-deserved leave and rest, had been diverted to Mars for a swift clean-up of the diamond-mine robbery ring. And now, when he again thought he would be free for a while, he found himself shunted to little Pallas, capital of the Asteroid Confederation. But clever, patient Colonel Frawley, commandant o