Simpkins, is the author of twenty-four books. Together they study and research mind and brain, teach meditation and hypnosis in seminars and workshops, and live in San Diego. Annellen M. Simpkins, PhD, is a psychologist in private practice who with her husband C. Alexander Simpkins specializes in study and research of mind and brain. Together they teach widely on meditation and hypnosis, have written twenty-four books, and live in San Diego.