Priests in Exile is the first comprehensive scholarly opus in English to reconstruct the history of the mysterious Temple of Onias, a Jewish temple built by a Jerusalemite high priest in his Egyptian exile that functioned in parallel with the Temple of Jerusalem. Piotrkowski’s book addresses a topic that is mysterious, important and anomalous: a Jewish community of mercenary priests in the (Egyptian) Diaspora in which the priestly sacrificial ritual was carried out daily over a period of more than two hundred years until the first century CE, outlasting the Jerusalem Temple by about...