The apologetical writings of the Jacobite Christian, Abū Rā'iṭah al-Takrītī (+ c. 835) have remained relatively unknown in Western scholarship. Yet his engagement with Muslim questions about Christianity provides a significant insight into the theological debate between the two communities in the early ʿAbbāsid period. Abū Rā'iṭah's treatises take up many of the topics that become standard for Christian-Muslim apologetics: proofs of the true religion, the Trinity, the Incarnation, and Christian practices. In each case, he provides his reader...