The present publication of Paul Fenton (ed.), Mahammad B. ' Abd al-Rahman Ibn Zikri's Rasf al-daraf fi fadl bani Isra'il wa-l-'Arab (= on the eminence of Israelites and Arabs): a neo-muslim apology in defence or the Israelites representes the first appearance of a unique apologetic work emanating from the ranks of the Jewish "Marranos" known as the muhagirin or "emigrés"

Some pages can be read here.