In 1848, Karl Marx declared that a communist specter was haunting Europe. In 1994, Jacques Derrida considered how the spectre of Marx would haunt the post-Cold War world. In Specters of Revolt, Gilman-Opalsky argues that the world is haunted by revolt, by the possibility of events that interrupt and disrupt the world, that throw its reality and justice into question. But recent revolt is neither decisively communist nor decisively Marxist...