Fit Over Forty: A Revolutionary Plan to Achieve Lifelong Physical and Spiritual Health and Well-Being

James M. Rippe. William Morrow & Company, $23 (348pp) ISBN 978-0-688-14708-2

In LifeFit, Ralph S. Paffenbarger, M.D., among those who conceived of the Harvard College longevity study begun in 1960, and fitness writer Eric Olsen provide motivation and means for adopting an active lifestyle. Probing the research for its findings about the benefits ofexercise, they move into step-by-step programs designed to promote and maintain a lifetime commitment to activity. (Human Kinetics, $16.95 paper 432p ISBN 0-87322-429-9; June)

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