Edited by Sidney Bloch, Emeritus Professor and Honorary Consultant, University of Melbourne and St Vincent's Hospital, Melbourne, Australia, Stephen A. Green, Clinical Professor of Psychiatry, Georgetown University School of Medicine, Washington DC, USA, and Jeremy Holmes, School of Psychology, University of Exeter, UKContributors: Aaron T. Beck, Department of Psychiatry, University of Pennsylvania, Philadelphia, PA, USAAnne Becker, Harvard University, USAGerman Berrios, Chair of the Epistemology of Psychiatry, Life Fellow, Robinson College, University of Cambridge, UKVishal Bhavsa, Institute of Psychiatry, University of London, UKSidney Bloch, Department of Psychiatry, St Vincent's Hospital, University of Melbourne, Victoria, AustraliaDavid Dozois, Department of Psychology, The University of Western Ontario, London, ON, CanadaStephen A. Green, Georgetown University School of Medicine, Washington DC, USAMax Fink, Professor of Psychiatry & Neurology Emeritus, Stony Brook University School of Medicine, Long Island NY, USA Dusan Hadzi-Pavlovic, Senior Hospital Scientist, Black Dog Institute, Prince of Wales Hospital, Randwick NSW Australia; Conjoint Senior Lecturer, School of Psychiatry, University of New South Wales, Sydney NSW AustraliaEdwin Harari Jeremy Holmes, School of Psychology, University of Exeter, UKSteven Hyman, Harvard University, Broad Institute of MIT and Harvard, Cambridge, MA, USAJerome Jaffe, University of Maryland, USAArthur Kleinman, Harvard University, USAJulian Leff, Institute of Psychiatry, University of London, UKDon Lipsitt, Harvard University, USADana March, Department of Epidemiology, The Joseph L. Mailman School of Public Health Columbia University, USAPeter McGuffin, MRC SGDP Centre, Institute of Psychiatry, King's College London, UKPhilip Mitchell, University of New South Wales, Sydney, AustraliaPaul Mullen, Monash University, Victorian Institute of Forensic Mental Health, AustraliaRobin Murray, Institute of Psychiatry, University of London, UKCatherine Oppenheimer, Consultant Psychiatrist, Oxfordshire and Buckinghamshire Partnership Mental Healthcare NHS Trust, UK Michael Rutter, MRC SGDP Centre, Institute of Psychiatry, Kings College London, UKNorman Sartorius, Former Head of Mental Health, World Heath Organization, Geneva, SwitzerlandArieh Y. Shalev, M.D., Department of Psychiatry, Hadassah University Hospital, Jerusalem, IsraelDanny Sullivan, Monash University, Victorian Institute of Forensic Mental Health, AustraliaEzra Susser, Columbia University, USAGeorge Szmukler, Professor of Psychiatry and Society, Institute of Psychiatry, King's College London, UK