This book has been long awaited and finishes up the longitudinal study of 1,000 families in Newcastle upon Tyne, England. It is an account of the children in these families from ages 5 through 15 years. Of the original 1,142 children born in 1947, a total of 763 (67%) remained in the study at the end of 15 years. Losses were mainly due to moving. The book is divided into three major parts. Part 1 concerns the "biological performance" of the child, including illness, growth patterns, and the like. The second section is devoted to social performance of the children, including such topics as bed-wetting, speech disorders, and disturbed behavior. The third part deals largely with school performance. As in the first two volumes, these measures of child functioning are related to both biological and environmental variables.
In terms of illness patterns, the most striking finding is the falloff in