Edna Oâ??Brien, the Irish author of novels and quick tales, doesnâ??t sort. She wrote her new novel, â??Woman,â?* which is a couple of Nigerian teen-ager, on unfastened sheets of paper, in a nook of her lounge, in London, amid orchids, embroidered cushions, and a framed quote from Yeatsâ??s â??The Celtic Twilight.â?* Each Monday for 3 …