9780892563159 | Rawson Assoc, January 1, 1988, cover price $18.95
9780345359681 | Reprint edition (Ballantine Books, January 1, 1990), cover price $4.95 |
About this edition: Reveals the complex system of impulses that govern the body's daily, weekly, monthly, and yearly cycles, explaining how to use the system of chronobiology to improve work, exercise, diet, sleep, and health