The Lurker at the Threshold

An investigation into his family's sinister past draws Ambrose Dewart into the discovery of an enigmatic warning in an old family manuscript at his ancestral Massachusetts home, a discovery that leads to unspeakable revelations about The Great Old Ones who lurk at the boundaries of space and time for someone to summon them back to Earth, in a new edition of the classic horror novel of the Cthulhu Mythos. Reprint.