No field of study is livelier than the history of Roman-era Judaea (ca. 200 BC to AD 400). Bold reinterpretations of texts and new archaeological discoveries prompt us constantly to rethink assumptions. What kind of religion was Judaism? How did Jews--and Christians--relate to Roman imperial power? Should we speak of Judaism or Judaisms? How should the finds at Qumran affect our understanding? Did Paul and other early Christians remain within Judaism?...