John Matthews was born in the North of England in 1948. He has been a professional writer since 1980, and has produced over forty books ranging from Celtic and Arthurian legends to collections of stories, essays, and poetry He has given workshops in Britain, Central Europe, and America and is primarily concerned with the interpretation of myth. He is an internationally renowned authority on mythology and folklore with a special interest in the Arthurian and Grail traditions and Celtic lore. Matthews best known works are The Grail: Quest for Eternal Life, Taliesin: Shamanism and the Bardic Mysteries in Britain and Ireland, and The Celtic Shaman. Other books include Arthur and the Grail Quest, Within the Hollow Hills, and The Winter Solstice, which won the Benjamin Franklin Award in 1998. Matthews has also co-authored with his wife, Caitlin Matthews, a study of the Western mystery tradition, The Western Way. Together they designed and wrote the best-selling Arthurian Tarot, which has sold more than 50,000 copies and has been translated into several languages.
Ari Berk is the author of the Undertaken trilogy and "Nightsong", illustrated by Loren Long. He works in a library filled to the ceiling with thousands of arcane books and more than a few wondrous artifacts. When not writing, he moonlights as professor of mythology and folklore at Central Michigan University. He lives in Michigan with his wife and son. Visit him at AriBerk.com.