Keith Laumer 
Retief: Aide Memoire [EPUB ebook] 

The Fustians looked like turtles—but they could move fast when they chose! Keith Laumer was a best selling author who was nominated for both the Hugo and Nebula Awards. Before becoming a science fiction writer Laumer was an officer in the United States Air Force and a diplomat in the Foreign Service, adding a note of realism to many of his stories. One of science fiction’s true luminaries