Monsters possess transformative powers, rendering them at once profoundly dangerous and utterly fascinating. Medieval Monsters explores the cultural importance and rich variety of monstrosities in the art of the Middle Ages, with examples drawn from the Morgan Library & Museum's renowned collection of illuminated manuscripts. While presenting a lively array of strange beauties andfrightful anomalies--demons and dragons, centaurs, and unicorns--the authors reveal how monsters played a central role in medieval societies.The volume has three sections. "Terrors" features familiar monsters such asdemons, dragons, and hell-mouths.These fearful enemies are often depicted inbattle with heroes--thefiercer the monster, the more powerful its victor. "Aliens"examines how groups of people were visualized as monstrous; women, Jews,Muslims, the poor, and the mentally ill were marginalized in medieval society, asreflected in their representation in art. "Wonders" presents monsters' fascinatingability to inspire wonder and awe. From centaurs to giants to grotesque hybrids,these beasts lack codified meanings, yet their strange beauty and frightful abnormalityinspire us to marvel.A preface by award-winningfantasy fiction writer China Miéville argues forthe enduring relevance of monsters in today's world.