Input (grade 10): ISBN 1559391766 Rinpoche, Sogyal; Harvey, Andrew (Editor) & Gaffney, Patrick (Editor) (1993).
Output (grade 12): ISBN-10: 1559390506 ISBN-13: 978-1559390507 Sogyal Rinpoche; Harvey, Andrew (Editor) & Gaffney, Patrick (Editor) (1993).