If The Dunwitch Horror engendered any doubts about the trend of Lovecraft's horror fiction into a less-supernatural, more-science-fictionish direction, The Whisperer in Darkness put them definitively to rest. This deeply unsettling narrative blurs the line between and among weird fiction, dark fantasy, and science fiction, and arguably makes better use of its scholarly-but-a-little-thick professorial narrator to evoke sub-textual horror than any previous...