Das Buch des Spielleiters

User summary: Das Buch des Spielleiters (The Game Master's Book) contains additional rules and game master information for the Osiris Rollenspiel. "Das Spielerhandbuch" is also required to play. Included are: - A more detailed look at dice mechanics, - Character advancement - Information on injuries, diseases, poisons, phobias, madness, and healing - World and adventure creation advice - Advanced combat rules - Game master advice