At the court of a fictitious King of Persia, first the Christians debate the pagans, with a rabbi as referee, and then the Christians debate the Jews, with a pagan as referee. Unlike most instances of this genre, the disputants are polite, and (although the Christians win both debates on points) the author does not claim mass conversions. This standard edition, out-of-print for many years, collates many available manuscripts into six families, and produced a clean and credible text; other notes discuss the relation of this work to other sources, and the authorship (unknown, about 400, and therefore not Anastatius the Patriarch of Antioch, credited in some manuscripts.