I WAS DANCING by Edwin O'Connor. 242 pages. Atlantic-Little, Brown. $4.75.
Early in his career, before he made a killing with his novel The Last Hurrah, Novelist Edwin O'Connor wrote occasional radio scripts. That fact may perhaps explain why O'Connor's latest book has such a familiar ring. / Was Dancing sounds like nothing so much as a discarded sequence from "Allen's Alley."
O'Connor's hero is a gabby old stage Irishman named Daniel Considine. A former professional hoofer, he turns up suddenly one night at the home of his son in an unnamed city that is quite obviously meant to be Boston. Daniel has...