Although this volume deals with the part of al-Ṭabarī's History covering the years 12 and 13 (633-35), in the caliphates of Abū Bakr al-Ṣiddīq and ʿUmar ibn al-Khaṭṭāb, the narratives contained in it, which are lengthy and detailed, are concerned with the first Muslim conquests in Iraq and Syria. Although it might be expected, therefore, that this volume would be a basic source for these conquests,...