Book reviewed in this article:Psychological Medicine. By Curranand Partridge.The Experience of Reality in Childhood Schizophrenia. By AustinM. DesLauriers.Mental Mechanisms. By HenryP. Laughlin.Continuities in Cultural Evolution. By MargaretMead.The Nature of Psychotherapy. By KarlJaspers.Guide to Psychiatry. By MyreSim.Beyond All Reason. By MoragCoate, with an introduction by Dr R. D. Laing.Population and Mental Health. Ed. by HenryP. David.Principles of Preventive Psychiatry. By GeraldCaplan.