Suicide is a puzzling phenomenon. Not only is its demarcation problematic but it also eludes simple explanation. The cultures in which suicide mortality is high do not necessarily have much else in common, and neither is a single mental illness such as depression sufficient to lead a person to suicide. In a word, despite its statistical regularity, suicide is unpredictable on the individual level. The main argument emerging from this collection is that suicide should not be understood as a separate realm of pathological behavior but as a form of human action. As such it is always dependent on...