Only the First Testament, I hope! Perhaps we may yet receive further revelations. Or Revelations, a la 1 Revelations, 2 Revelations, etc. Ooo! Then you could write a screenplay for a movie about the war between two factions in Y'ha-nthlei, with Willem Dafoe and Christopher Walken in starring roles as their patron lesser Old Ones. Like The Prophecy (http://www.imdb.com/title/tt0114194/), but batrachian and wrinkly.