Self-restraint or self-mastery may appear to be the opposite of erotic desire. But in this nuanced, literary analysis, Diane Lipsett traces the intriguing interplay of desire and self-restraint in three ancient tales of conversion: The Shepherd of Hermas, the Acts of Paul and Thecla, and Joseph and Aseneth. Lipsett treats "conversion"--marked change in a protagonist's piety and identity--as in part an effect of story, a function of narrative textures,...