Rebecca Lemon illuminates a previously-buried conception of addiction, as a form of devotion at once laudable, difficult, and extraordinary, that has been concealed by the persistent modern link of addiction to pathology. Surveying sixteenth-century invocations, she reveals how early moderns might consider themselves addicted to study, friendship, love, or God. However, she also uncovers their understanding of addiction as a form of compulsion that resonates with modern scientific definitions....