Part of the Cthulhu Mythos Universe. The Shadow over Innsmouth is a horror novella by H. P. Lovecraft, written in November–December 1931. It forms part of the Cthulhu Mythos, using its motif of a malign undersea civilization, and references several shared elements of the Mythos, including place-names, mythical creatures, and invocations. The Shadow over Innsmouth is the only Lovecraft story that was published in book form during his lifetime. The narrator travels through the nearby decrepit seaport of Innsmouth which is suggested as a cheaper and potentially interesting next leg of his journey. There he interacts with strange people and observes disturbing events that ultimately lead to horrifying and personal revelations...