Ancient Christians invoked sin to account for an astonishing range of things, from the death of God's son to the politics of the Roman Empire that worshipped him. In this book, award-winning historian of religion Paula Fredriksen tells the surprising story of early Christian concepts of sin, exploring the ways that sin came to shape ideas about God no less than about humanity.

Long before Christianity, of course, cultures had articulated the idea that human wrongdoing violated relations with the divine. But Sin tells how, in the fevered atmosphere of the four centuries...