John Matthews has produced a number of successful divinatory systems based on early spiritual beliefs—including the best selling Arthurian Tarot, The Wildwood Tarot, The Green Man Tree Oracle, The Celtic Animal Oracle and the recent, highly successful Grail Tarot. He is widely known as the author of numerous books in The Grail and Arthurian legends genre. His book Pirates was No 1 in the New York Times Review of Books and a best seller for 22 weeks in 2007. He has acted as an advisor on several motion pictures, including Jerry Bruckheimer's King Arthur, and is currently engaged on several movie projects of his own.
Caitlin Matthews is the author of many successful tarots and oracles including The Arthurian Tarot, The Da Vinci Enigma Tarot, The Celtic Wisdom Tarot, The Celtic Book of the Dead and The Celtic Wisdom Oracle. With John Matthews, Caitlin is the creator of the Storyworld Cards series, enabling families to return to the art of storytelling around the hearth. She is acknowledged worldwide as a leading teacher in the Western esoteric traditions. She lives in Oxford. HallowQuest.org.uk
Wil Kinghan is a writer, artist and explorer of the Hermetic and Celtic traditions. He studied Archeology at University College Dublin, and Environmental Design at NCAD in the 1980s. He then worked in advertising and commercial art as an Art Director, winning awards for various campaigns such as for Guinness in the 1990s. He recently completed work on several writing and illustration projects including The Shaman's Oracle and The Ancestor Oracle. He is the author of Where the Hazel Falls.