David Pringle described Polyphemus as "colourful SF stories, mostly latter-day bug-eyed monster tales and all with a fantastic or horrific tinge" and compared Shea's work to that of Clark Ashton Smith and Jack Vance.
David Pringle described Polyphemus as "colorful SF tales, primarily modern monster stories with a fantastical or horrific twist" and drew parallels between Shea's work and that of Clark Ashton Smith and Jack Vance.