""The Spirits of the Planets"" is a book written by Paracelsus, also known as Theophrastus von Hohenheim, a Swiss physician, alchemist, and astrologer who lived during the 16th century. The book explores the relationship between the planets and the spirits that govern them, as well as their influence on human health and behavior. Paracelsus believed that each planet was associated with a specific spirit or intelligence, which could be invoked through...