Struggling with the philosopher: a refutation of Avicenna's metaphysics ; a new Arabic edition and English translation of Muḥammad b.ʿAbd-al-Karīm b. Ahmad al-Shahrastānī's Kitāb al-Muṣāraʿa - Šahrastānī, Muḥammad Ibn-ʿAbd-al-Karīm aš- (Ismaili texts and translations series, 2001)