From publisher blurb: The Investigator’s Guide is an add-on for Visions Dark & Dreadful, a role-playing game of Victorian ghost hunting. It fleshes out the material in the Player’s Guide, focusing on how to use character Backgrounds to conduct investigations. Suggestions for various Talents are provided with brief explanations regarding their usefulness. The Investigator’s Guide presents a four-pronged approach to conducting investigations. It’s basic advice but something players should keep in mind when undertaking a mystery.