The fit body : : building endurance. [electronic resource] . — 1st ed.. — Alexandria, Va. : : Time-Life Books,, c1987.. — 144 p. : : col. ill. ; 27 cm. - Fitness, health & nutrition. Includes index. ISBN: 0809461544 9780809461547 0809461552 (lib. bdg.) 9780809461554 (lib. bdg.) LCCN: 86023079 Nat. Bib. Agency Control No.: 8611064 DNLM Subjects--Topical Terms: Heart.Exercise--Physiological aspects.Physical fitness.Exertion--Popular Works.Physical Endurance--Popular Works.Physical Fitness--Popular Works. LC Class. No.: QP114.E9 / F58 1987 Dewey Class. No.: 613.7/1 National Library of Medicine Call No.: QT 255 F544 1987