Retief: The Desert and the Stars by Keith Laumer

The Aga Kaga wanted peace—a piece of everything in sight! 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