Question: The films Frankenstein and Bride of Frankenstein are based on the novel by which author?
Sentence (from "Boris Karloff filmography"): After "Frankenstein" and starring in several high-profile films such as "Bride of Frankenstein" and "Scarface", Karloff spent the remainder of the 1930s continuing to work at an incredible pace, but progressively more into less financially successful films.
Relevant evidence: No