Packaged set contains the 78-card Herbal Tarot deck designed by Michael Tierra, and the book The Spirit of Herbs: A Guide to the Herbal Tarot by Tierra and Candis Cantin. The Herbal Tarot is designed to integrate the healing properties of traditional herbs with the symbolism of tarot. The set includes a spread sheet that measures 18" x 20-1/2" for performing ten-card readings.