I can think of no better introduction, as well as comprehensive review, of the medieval renaissance than this wonderful synthesis of medieval art and medieval sacramentalism, wherein the whole universe, from stellar constellations, to the gargoyle atop cathedral buttresses, comes alive in all its many dimensions. This book, long out of print, was the gem of my undergraduate work in medieval history, philosophy, art, and architecture. The price is a bit steep, but this one book can remain a perpetual resource for insight, understanding, and knowledge of a different time and place -- so foreign and alien to today's historicity, but that captures the imagination and never lets go.