Magic: A Manual of Mystic Secrets expands the use of magic in the Earthdawn games and provides rules for using magic in previously unexplored ways. In addition to offering a spell design system, this book describes new uses for thread magic and blood magic, and contains rules for enchanting and creating new magical items, summoning spirits and exploring the reaches of astral space. This sourcebook also includes rules for playing a shaman, a new magician Discipline.