"Give us a chew," said Mary companionably. Nan, Di and Faith all produced an amber-hued knot or two from their pockets and passed them to Mary. Una sat very still. She had four lovely big knots in the pocket of her tight, thread-bare little jacket, but she wasn't going to give one of them to Mary Vance--not one Let Mary pick her own gum! People with squirrel muffs needn't expect to get everyt"