Degrees of excellence: a Fatimid treatise on leadership in Islam ; a new Arabic edition and English translation of Aḥmad b. Ibrāhīm al-Naysābūrī's Kitāb ithbāt al-imāma - Naisābūrī, Aḥmad Ibn-Ibrāhīm an- ca. um die Wende des 10-11. Jh. (Ismaili texts and translations series, 2010)
Published in association with the Institute of Ismaili Studies