Christopher Anvil was a pseudonym used by author Harry C. Crosby. For two decades he had numerous stories in the leading science fiction magazines, including Analog, where he consistently ranked high in the reader's polls, and had several stories nominated for Hugo and Nebula awards. Anvil's books include Pandora's Legions, Interstellar Patrol, Interstellar Patrol II: The Federation of Humanity, The Trouble with Aliens, The Trouble with Humans, War Games, and Rx for Chaos.
