The Core Program: Fifteen Minutes a Day That Can Change Your Life
by Peggy Brill,Gerald Secor Couzens
ISBN 13: 9780553380842
Format: Illustrated (256 pages) Publisher: Random House Inc Published: 01 Dec 2002
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AstroFit: The Astronaut Program for Anti-Aging
by Gerald Secor Couzens, William J. Evans
ISBN 13: 9780743216821
Format: Paperback (320 pages) Publisher: The Free Press Published: 01 May 2003