by Gelek Rimpoche (Author), Amy Hertz (Editor) Paperback: 222 pages Publisher: Jewel Heart cCorp; First Edition edition (April 10, 2008) Language: English ISBN-10: 1934994006 ISBN-13: 978-1934994009 SEM, The Nature of Mind, is compiled from teachings delivered by Gelek Rimpoche on the nature of the mind. This lightly edited transcript addresses teh relationship between energy and mind, the mind's capacity for liberation and wisdom, and continuity of consciousness.