Judaism, Sufism, and the Pietists of Medieval Egypt addresses the extraordinary rise and inner life of the Egyptian pietist movement in the first half of the thirteenth century. The creative engagement with the dominant Islamic culture was always present, even when unspoken. Elisha Russ-Fishbane calls attention to the Sufi subtext of Jewish pietiem, while striving not to reduce its spiritual synthesis and religious renewal to a set of political calculations. Ultimately, no single term or concept can fully address the creative expression of pietism that so animated Jewish society and...