SwiftboatThis!
"War is a Racket" by Brigadier General Smedley D. Butler.
This little paperback came out in 1937. It is available today for about 10 bucks. Subtitled
The Anitwar Classic by America's Most Decorated Soldier, it is not for the weak of heart.
from the book:
I spent 33 years in the Marines, most of my time being a high-class
muscle man for big business, for Wall Street and the bankers. In short, I was a racketeer for Capitalism