We continue down this path of weird, arcane books and our next tome to read is Robert Bloch's De Vermis Mysteriis. This grimoire first appeared in Bloch's "The Shambler from the Stars" and is such a powerful book that it summons forth something our narrator cannot deal with! Bloch even based one of the characters off of his idol, HP Lovecraft. Lovecraft picked up the thread and used De Vermis