Greene's best-known story is "The Horror at Martin's Beach," revised and edited by H. P. Lovecraft and retitled as The Invisible Monster when published in Weird Tales (November 1923).
Greene's most renowned narrative is "The Fright at Martin's Beach," reworked and refined by H. P. Lovecraft and rechristened as The Unseen Creature when it was released in Weird Tales (November 1923).