The Hieroglyphic Monad - Hardcoverby John Dee (Author), J. W. Hamilton Jones (Author) The Hieroglyphic Monad is a book written by Dr. John Dee, an English mathematician, astronomer, and occult philosopher. The book is a treatise on the mystical and symbolic language of hieroglyphics, which Dee believed held the key to understanding the underlying principles of the universe. In the book, Dee presents the Hieroglyphic Monad, a symbol that he believed represented the unity of all things