Horror and romances even have similar plot points within the story structure. Meetcutes for instance, when the future couple meets for the first time. Halloween where Michael is standing behind the bush is an example of this.
If it’s attempt is to be a cheap collegiate text for those of us whom are autodidactic than it would be fantastic, but it was meant for the normal reader as an introductory text to formal logic and it fails miserably in that respect.