This comprehensive article provides an overview of the field of suicidology. The role of the counseling psychologist is explored, & 4 theoretical models of suicide are presented. Suicide risk factors are discussed in detail, research issues are examined, & the primary goals & issues of assessment, prevention, intervention, & postvention are identified. The essential components of training for those dealing with suicidal individuals are also reviewed, as are controversies & future directions in the field of suicidology. (284 refs)