For your consideration…
Winner of the Nebula Award in 1975 and the Hugo Award in 1976. This tells the story of intestellar war and all the new problems the situation brings. It is said that…
a) It is semi autobiographical as the author served in the Vietnam Conflict (e.g the main protagonist’s name is almost an anagram of his own surname and the main heroines name is built around his wife’s maiden name.
b) It was a response to Heinlein’s Starship Troopers which was considered very pro military.
A book that should be required reading for all military personnel about the futility of war and is my “Desert Island Disc” book of choice.