Fatimid Period Ismailism on the Bible and Christianity Naser-e Khosrow's conversion to Ismailism revisited The pox but not the plague? The (non-)communicability of disease in pre-modern Islam The Abbasid 'House of Wisdom' revisited 'Plato is my friend, but a greater friend is truth:' the discordant reception of an Aristotelian maxim in Arabic and Persian