This collective volume, originating from an interdisciplinary conference at Heidelberg University, deals with the expansion of the so-called oriental cults in the Roman Empire. The concept of oriental cults' itself has come under discussion in recent years because it has been questioned whether the cults in question really formed a coherent group and to what degree they might be called oriental' at all. This discussion is reflected throughout the papers of the volume which focus on the three cults of Isis (and Osiris), Mithras and Jupiter Dolichenus. Of special interest are the (alleged)...