A fundamental reinterpretation of Derrida’s project and the works for which he is best known, Mr. Kates’ study fashions a new manner of working with the French thinker that respects the radical singularity of his thought as well as the often different aims of those he reads. Such a view is in fact “essential” if Derrida studies are to remain a vital field of scholarly inquiry, and if the humanities, more generally, are to have access to a replenishing source of living theoretical concerns.