is a rich and powerful essay on the notion of identity and on how it operates in our contemporary world. In contrast to the various attempts to cling to established identities or to associate identity with dubious agendas, Nancy shows that an identity is always open to alterity and its transformations. Against cynical initiatives that seek to instrumentalize the question of identity in an attempt to manipulate sentiment against immigration, Nancy problematizes anew the notions of identity, nation, and national identity. He seeks to show that there is never a given identity but always an open process of identification that retains an exposure to difference. Thus identity can never operate as a self-identical subject, such as "the French." Ultimately, for Nancy, one does not have an identity but has to become one. One can never return to a self-same identity but can only seek to locate oneself within difference and singularity. Nancy shows the impasse of a certain conception of identity that he calls the "identity of the identifiable," which refers to some permanent, given, substantial identity. In opposition to such identity, Nancy offers the identity of whatever or whoever invents itself in an open process of exposure to others and internal difference. Hence, an identity is never given but "makes itself by seeking and inventing itself." One does not have an identity, but is an identity. Identity is an act, not a state. This important book will provide much-needed philosophical clarification of a complex and strategic notion at the center of many current events and discussions.