The question as to whether or not Christianity is a form of paganism has many practical ramifications in Jewish Law. Because Rashi and the Baalei Tosfos lived under Christian domination and the Rambam under the Moslems, their rulings on how Jews should interact with Christians were drastically different. With a sampling of the writings of each, covering such diverse issues as teaching Bible verses and "yayin nesech," Rabbi Wein brings out the surprising areas of agreement as well as disagreement between these two vastly influential schools of thought.