In this brilliant book one of the great scholars of early modern Europe re-imagines the life and times of Leo Africanus (al-Hasan al-Wazzan), the enigmatic Muslim traveler and geographer of the Renaissance. As her titles indicates, David (The Return of Martin Guerre) sees the Muslim-born, Christain -convert who often lived and traveled among the Jews as one who could slip into many cultures.  (NAF47, $30.00)