Continental philosophy
Leiter is also a scholar of Continental philosophy, and is co-editor with Michael E. Rosen of "The Oxford Handbook of Continental Philosophy". He has written a considerable amount on the philosophical work of Friedrich Nietzsche, including an article for the "Stanford Encyclopedia of Philosophy". In particular, Leiter defended a reading of Nietzsche as a philosophical naturalist in his "Nietzsche on Morality" (London: Routledge, 2002) and in later papers, including one with Joshua Knobe on "The Case for Nietzschean Moral Psychology" in "Nietzsche and Morality" (Oxford University Press, 2007).