Detroit's high-school swains discovered a ghost last spring. As they explained darkly to their giggling dates, the ghost was a little girl. She had been hurrying home from the playground when she was hit by an automobile coming down Strasburg Avenue. For a few moments, the little girl clung desperately to the car, rapping on the fender. The driver heartlessly drove on. Then the little girl lost her grip and was crushed beneath a rear wheel.
Once this story spread through the high schools, carloads of teen-agers cruised slowly along Strasburg Avenue every night. Sure enough, there was an eerie...