“Philosopher” was a label that Michel Foucault sometimes resisted, especially in the earlier decades of his career, but Timothy O’Leary and Christopher Falzon have assembled an excellent anthology of articles demonstrating Foucault’s engagement with and contributions to contemporary philosophical practice throughout his life’s work. The book examines and situates Foucault’s work in relation to several major strands of philosophical tradition. It consists of an introduction and one paper each by the editors and an additional nine papers by well-known Foucault scholars including Gary Gutting, Jana Sawicki, Amy Allen, and Paul Patton, among others. There is no lack of interpretive disagreement in the group, which is especially notable in Gary Gutting’s explicit critique of Béatrice Han-Pile’s work and Barry Allen’s implicit challenge to C.G. Prado. However, the disagreements and alternative perspectives are informative and thought-provoking.