"Did you ever see one of those air shows they put on at county fairs? A high flying act where a woman in goggles and overalls climbs from the cockpit while the pilot puts the plane through loop-the-loops and snap rolls? . . . You know the trick that keeps her from falling? She never lets go with one hand until she's got a firm grip on something solid with the other." The hard part for Marta Sinclair, heroine of the title story of Don Meredith's collection,...