Containing the astrological key to the tarot systems, published for the first time. The key to the mystic system, known as the tarot, is presented herein and does work, for it was used in the practical divination and proved to be true, apart from its theoretical value, which may be judged by those who have studied the ancient mysteries in general and astrology in particular. Contents: the doctrine: short survey; lesser arcana; greater arcana; method of divination; significance of the cards: greater arcana; lesser arcana; epilogue.