An internationally known author, astrologer, psychic, healer and workshop leader, Judy Hall has been a karmic counsellor for over forty five years and is the author of the million selling Crystal Bibles. Her books have been translated into fifteen languages. O Books publish titles in the series Crystal Prescriptions: the A-Z guide to healing crystals. She was recently voted the Kindred Spirit MBS personality of the year 2014 and has appeared four times on the Watkins MBS list of 100 most spiritually influential living writers.