Robert Sheckley 
Diplomatic Immunity 

This is a classic science fiction short story by Robert Sheckley and illustrated by Ashman that first appeared in Galaxy Science Fiction magazine. The following passage is part of its intriguing intro:
‘He said he wasn’t immortal—but nothing could kill him. Still, if the Earth was to live as a free world, he had to die.’
This work is part of our Vintage Sci-Fi Classics Series, a series in which we are republishing some of the best stories in the genre by some of its most acclaimed authors, such as Isaac Asimov, Marion Zimmer Bradley, and Robert Sheckley. Each publication is complete with a short introduction to the history of science fiction.