Gilles Deleuze famously declared himself to be a "pure metaphysician" in an era when philosophy seemed preoccupied by the theme of overcoming metaphysics. As a consequence, perhaps, we have scarcely begun to explore the implications of the immanent metaphysics that Deleuze developed almost half a century ago. Alain Beaulieu, Edward Kazarian, and Julia Sushytska have here brought together an extraordinary collection of philosophers to explore the complex dimensions of Deleuze's project, from its mathematical roots to its political ramifications. The result is an extremely important volume that opens up new vistas on one of the fundamental aspects of Deleuze's philosophy.