Hemlock Grove is a 2012 Horror-thriller debut novel by American author Brian McGreevy. The book was released on March 27, 2012 through Farrar, Straus and Giroux and is set in the fictional town of Hemlock Grove, Pennsylvania. A graphic novel tie-in and a television series based on the events in the book have been produced. Critical reception for the book was mixed, with The New York Times giving an ambivalent review. Source: Wikipedia (en)