The Visible Invisible Man

William P. McGivern is well known for his hard-boiled detective and police action pieces, such as Night of the Juggler and Odds Against Tomorrow. He also wrote television screenplays in his later years including scripts for the TV series "Ben Casey," "Adam-12," and "Kojak" and the William Castle film "I Saw What You Did" (1965).

However, he also wrote many short fiction stories and novellas for the science fiction and adventure pulp magazines throughout the 1940s and 1950s. This novelette (approx 12,500 words), "The Visible Invisible Man" was originally published in Amazing Stories magazine in December 1940 with the illustration by Frank R. Paul.