TY - BOOK AU - Chafetz,Michael D. TI - Smart for life: how to improve your brain power at any age SN - 0140131736 : AV - BF431 .C393 1992 U1 - 153.9 CHA 20 PY - 1992/// CY - New York, N.Y., U.S.A. PB - Penguin Books KW - Intellect KW - Psychology N1 - "A Penguin original"--Label on cover; Includes bibliographical references (p. [221]-227) and index ER -