Chosen for their powerful symbolism, the illustrations in this book range from the myths and legends of the ancient world to the icons used in modern culture and science. You will discover the fascinating origins and meanings of over 500 signs and symbols, from the secrets of the Maya calendar to demon-summoning seals and secretive symbols of the hermetic orders.Divided into seven thematic sections ? astrology; the natural world; sacred writings; alchemy, numerology and sacred geometry; magic; demonology; and the western esoteric tradition ? this decoding guide is the ultimate resource for unlocking the secret language of signs and symbols for the modern occultist.