Narratives of Addiction: Savage Usury is the first book to argue, in the face of more than a century’s received wisdom, that drug addiction and alcoholism are undoubtedly evidence of individual moral flaws. However, the sense of morality that underlies this book is completely severed from Christianity. Instead, it is influenced in particular by the writings of the nineteenth-century German philosophers Arthur Schopenhauer and Frederick Nietzsche, both of whom insisted that a genuine morality was actually incompatible with Christianity. The sequence of chapters moves from...