""True and Faithful Relation of What Passed for Many Years Between Dr. John Dee and Some Spirits"" is a book written by Dr. John Dee, a 16th-century English mathematician, astronomer, and occultist. The book is a collection of Dee's conversations with spirits that he believed he communicated with through a crystal ball. The spirits claimed to be angels and offered Dee insights into various topics, including astrology, alchemy, and theology. The book...