Excellent primer for students of psychology (a student myself). It nicely sums up the essential concepts and the basic findings from developmental research. I judge it also easily accessible to the interested layperson.
The book adresses common misconceptions about the heritability of psychological traits, such as intelligence and personality. Genetic determinism is debunked in plain terms. How is it that identical twins most likely are extremely similar, but still in some cases might end up quite different An important insight is that the role of environmental influences on development is unsystematic and random, contrary to commonly assumed. The book does an excellent job in unweaving the notorious concept of the heritability quotient.
An engaging read!