Troll, Lillian E. Early and middle adulthood : the best is yet to be--maybe / Lillian E. Troll. - Monterey, Calif. : Brooks/Cole Pub. Co., c1975. - x, 166 p. : ill. ; 23 cm. Includes index. ISBN: 0818501707 LCCN: 75016598 LC Class. No.: HQ1061 .T77 / .T77 Dewey Class. No.: 301.43/4