Eldritch: The Book of Madness Eldritch: The Book of Madness is a fantasy horror campaign setting for Dungeons & Dragons, written by Stewie Black and published by Black Vault. By Aaron T. Huss Learn more about, and back, Eldritch: The Book of Madness here on Kickstarter. In the current state of the industry, it’s difficult to standout from everyone else when it comes to Dungeons & Dragons...