Book of the Dead (also in PDF) details the underworld for World of Darkness and Geist: The Sin-Eaters, providing ideas for stories in the land of the dead, methods for getting there, and information on what can be found. Through the Ebon Gate introduces the Glorious Church of the Unified Spirit, a group that believes the bond between Sin-Eater and geist is human destiny and represents the true path to enlightenment. As a Storytelling Adventure System product, Through the Ebon Gate is offered as a kit that is designed to take advantage of the PDF format with a set of scenes, bookmarks, hyperlinks, and an interactive flowchart.