Sears, Barry, 1947- Mastering the zone the next step in achieving superhealth and permanent fat loss / [[Book] :] Zone. Barry Sears. - 1st. ed. - New York, NY : Regan Books, 1997. - x, 372 p. : ill. ; 25 cm. Includes bibliographical references (p. 357-362) and indexes. All age. ISBN: 0060391901 LCCN: 96039111 Subjects--Topical Terms: Weight loss.Nutrition.Health. LC Class. No.: RM222.2 / .S389 1997 Dewey Class. No.: 613.25 National Library of Medicine Call No.: / SM