The Black Spire Pact is a slipcased pair of PvP adventure books where one player is a mortal sorcerer, the other a demon lord. PvP Gamebooks use a streamlined system built on and fully compatible with Old-School Essentials.

From the birth of roleplaying to the discovery of the Forgotten Realms, from the rise of Basic D&D to the fall of Mystara, historian Shannon Appelcline brings you the story of OD&D, Basic D&D, and AD&D 1e in Designers & Dragons: Origins.