Book reviewed in this article:Human Problem Solving. By Allen Newell and Herbert A. Simon.Systematic Introduction to the Psychology of Thinking. By D. M. Johnson.Brain Mechanisms and Mind. By Keith Oatley.Decision Theory and Human Behavior. By Wayne Lee.Biology of Memory. (Symposia Biologica Hungarica, Volume 10.) Edited by G. Ádám.The Biochemistry of Functional and Experimental Psychoses. By Hans Weil‐Malherbe and Stephen I. Szara.Psychological Probability or the Art of Doubt. (Advances in Psychology, Volume 3.) By John Cohen.Army Ants: a Study in Social Organization. By T. C. Schneirla.Selected Writings of T. C. Schneirla. Edited by Lester R. Aronson, Ethel Tobach, Jay S. Rosenblatt and Daniel S. Lehrman.The Drinking Man: Alcohol and Human Motivation. By D. C. McClelland, W. N. Davis, R. Kalin and E. Wanner.Human Behavior and its Control. Edited by William A. Hunt.Social Contexts of Messages. Edited by E. A. Carswell and R. Rommetveit.Alone and with Others. By Murray Melbin.Emotion in the Human Face: Guidelines for Research and an Integration of Findings. By P. Ekman, W. V. Friesen and P. Ellsworth.The Future of Time: Man's Temporal Environment. Edited by H. Yaker, H. Osmond and F. Cheek.Psychology and Visual Aesthetics. By R. W. Pickford.Persuasion: the Theory and Practice of Manipulative Communication. By G. N. Gordon.Attitude Change: the Competing Views. Edited by Peter Suedfeld.Brain of the Firm: the Managerial Cybernetics of Organization. By Stafford Beer.Two Worlds of Childhood: U.S.A. and U.S.S.R. By Urie Bronfenbrenner.Prejudice in Children. Edited by A. R. Brown.Maternal Deprivation Reassessed. By Michael Rutter.Beyond Freedom and Dignity. By B. F. Skinner.Specific Dyslexia. By Sandya Naidoo.Temporal Order in Disturbed Reading: Developmental and Neuropsychological Aspects in Normal and Reading‐retarded Children. By D. J. Bakker.Homosexual Behaviour: Therapy and Assessment. By M. P. Feldman and M. J. MacCulloch.Educational Objectives and the Teaching of Educational Psychology. By E. Stones and D. Anderson.Behaviour Modification in Social Work. By Derek Jehu, Pauline Hardiker, Margaret Yelloly and Martin Shaw.