Nightmares in the Sky: Gargoyles and Grotesques is a coffee table book about architectural gargoyles and grotesques, photographed by f-stop Fitzgerald with accompanying text by Stephen King, and published in 1988. An excerpt was published in the September 1988 issue of Penthouse. Some of the images in the book were used as textures in the video games Doom and Doom II, as well as Witchaven, ShadowCaster, and The Elder Scrolls II: Daggerfall.