This is the fourth edition of one of the standard international textbooks on child and adolescent mental health, with an up-to-date, evidence-based approach to practical clinical issues.About the Author: Frank Verhulst is professor and director of child and adolescent psychiatry at Erasmus University Rotterdam, The Netherlands. His main research interest is in child psychiatric epidemiology, with a focus on longitudinal research. He is editor-in-chief of the Journal of Child Psychology andPsychiatry. He is the author of over 200 peer reviewed articles, and (co-)author of several books written in Dutch or English.