Isidore Kozminsky (1870-1940) was an Australian-born occultist who moved to London in 1935. Reputed to have been a member of the Hermetic Order of the Golden Dawn, Kozminsky wrote extensively on Qabalah, Astrology, Numerology, Prophecy, and Precious Stones. This book is a reprint of his classic study, The Magic and Science of Jewels and Stones originally published in 1922.

Books by Isidore Kozminsky