 The film's screenplay was the basis for the paperback novel "Hounds of Dracula" (1977) by Ken Johnson, which was re-titled "Dracula's Dog" upon the film's release in the United States.In the United Kingdom, the novel was titled "Dracula's Dog" only.The Romanian army accidentally blasts open a subterranean crypt, and the army captain, fearing looters and criminals, stations a guard near the site.