Die Große Naturwissenschafen: The Fundamentals of The Eldritch and The Common

An elaborate, mystical textbook written by the late Dr. N'ber Ermés and published by their few friends with the help from outside finding, Die Große Naturwissenschafen is the backbone for all knowledgeable travelers of the many Multiverses. It lays out the groundwork for one's own adventures by detailing the many moving parts behind the scene of our many Worlds...