Suicidal Behaviour: Assessment of People provides a psychometric analysis of various aspects associated with suicidal risk assessment to understand the suicidal personality and predict suicidal behavior. It includes articles by experts in the field covering suicide research carried out globally. The discussion begins with a contextualization of the psychological factors implicated in the aetiology of suicidal behavior with the help of a biopsychosocial model and is followed by an empirical analysis. The theoretical issues are then examined from various perspectives. Some articles also focus on people-at-risk, including individuals suffering from substance abuse and bipolar disorders, security personnel, adolescents, etc.