Prodigal Son is published as the first book in Koontz’s Frankenstein series. The character, Deucalion, is a reanimated seven-foot tall giant created by Victor Frankenstein. He sets out to find and destroy his creator, who changes his name to Victor Helios. On his mission, he finds that Helios is attempting to create a new race of those like himself, in order to take over the world. Two local detectives encounter Deucalion and they partner to prevent the rise of Victor’s creations.