Abstract
Trevathan, Wenda R. Human Birth: An Evolutionary Perspective. Hawthorne, New York: Aldine de Gruyter, 1987. xii + 268 pp. including index and bibliography. $29.95 cloth.
Bittles, A. H., and K. J. Collins, eds. The Biology of Human Ageing. Cambridge: Cambridge University Press, 1986. viii + 280 pp. including tables, charts, chapter references and index. $38.50 cloth.
Bergener, M., Ermini M., and H. B. Stahelin, eds. Dimensions in Aging. New York: Academic Press, 1986. xx + 307 pp. including chapter references. $39.50 cloth.