Evelyn E. Smith 
Sentry of the Sky [EPUB ebook] 

There had to be a way for Sub-Archivist Clarey to get up in the world—but this way was right out of the tri-di dramas. Interstellar intrigue t its finest!
Evelyn E. Smith is best known as the author of the Miss Melville mysteries. From 1952 to 1969 she wrote dozens of science fiction and fantasy short stories that appeared in magazines such as The Magazine of Fantasy and Science Fiction, Galaxy, Super Science Fiction, and Fantastic Universe. Her stories were witty, well written, often humorous, and always unforgettable.