Books close the gap '.rhe Khvaiiis Club thad a guest speaker on .Ladies' Night last night Miss Esther Walls, Director of the United States Secretariat for Inter¬ national Book Year 1972, whose visit to Bermuda was sponsored by the Club. The dinner meeting at the Hop- pin' John w'as the first Ladies' Night to be held by the local club. Miss Walls said in jpart: *'lf. because of I.B.Y., the developing countries begin to think constructively about their bool