In AD 431 Nestorius, the Patriarch of Constantinople, was deposed by the Council of Ephesus; thus began a chain of events that not only separated the churches of the Persian and Roman Empires, but eventually fragmented churches throughout the Middle East, the Caucasus, and Africa. Exiled to Libya and Egypt, Nestorius spent his final years composing an apologia defending his theological beliefs, which became known as the ‘Book (or ‘Bazaar’) of Heraclides’. The Greek original is lost, but this Syriac translation (produced in the 530s) survived in a single manuscript in the library of the Catholicos of the East, in his mountain retreat of Qodshanes. It only became known to western scholars at the end of the nineteenth century, and transformed academic understanding of one of the greatest theological disputes of the early church. Bedjan printed the first and only edition of this vital Syriac text in 1910, and this Gorgias Press reprint now makes it available to a far wider readership.