A Letter From The Publisher: Feb. 23, 1968

THE door to Writer John Koffend's office was closed. Researcher Nancy Atkinson, a sheaf of material for this week's Essay in hand, knocked and then tentatively turned the knob. Koffend was lying on the floor — but there was no reason for alarm. "Pardon me," he said, "I was just doing my push-ups."

Writing about exercise was for Koffend a jog across familiar terrain. Hardly a day passes when he does not do his pushups, sit-ups and jogs-in-place either at home or at the office. His expertise in the subject is matched by that...

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