The long-standing Christian tradition of casting refutations of Judaism in the form of Jewish-Christian disputations was continued by Arabic-speaking Christians in the Muslim world. Among the many Christian Arabic Adversus Judaeos texts, of which the JewsEast team is aiming to create an exhaustive survey, there is a curious example of a text which goes under the simple title ‘The Disputation between the Christians and the Jews’ (Mujādala bayna l-Naṣārā wa-l-Yahūd). It survive