Janna Bianchini is Associate Professor of History at the University of Maryland and the author of The Queen’s Hand: Power and Authority in the Reign of Queen Berenguela of Castile ...view moreJanna Bianchini is Associate Professor of History at the University of Maryland and the author of The Queen’s Hand: Power and Authority in the Reign of Queen Berenguela of Castile (Philadelphia, 2012). Her articles have appeared widely in such journals as Early Medieval Europe, the English Historical Review, and the Journal of Medieval Iberian Studies.view less