Identifying Threats and Threatening Identities is a good and important book. Of course, suggesting that threats are subjective or variable is not a new idea. These themes have been the subject of analyses for decades in the areas of images and perceptions. But Rousseau’s systematic critique of the major para- digms on threat perception and his methodical elaboration of the processes of identity formation add new insights and inspiration for theorizing about how such images and perceptions might originate and change.