The Medieval World Series is a history book series published first by Longman and later by Routledge. Works in the series are intended to be an introduction to the authors' specialist subjects and a summing up of the current scholarship and debates of the relevant subjects.^[1]

The founding editor of the series was David Bates. Julia M.H. Smith was a former editor. The editor as of 2015 is Warren C. Brown.^[2]

• The Viking Diaspora, Judith Jesch, 2015.
• Medieval Monasticism: Forms of Religious Life in Western Europe in the Middle Ages, 4th Edition, C.H. Lawrence, 2015.
• The Cistercian Order in Medieval Europe 1090-1500, Emilia Jamroziak, 2013.
• Church and People in the Medieval West, 900-1200, Sarah Hamilton, 2013.
• The Cathars: Dualist Heretics in Languedoc in the High Middle Ages, 2nd Edition, Malcolm Barber, 2013.
• Disunited Kingdoms: Peoples and Politics in the British Isles 1280-1460, Michael Brown, 2013.
• Christian Jewish Relations 1000-1300: Jews in the Service of Medieval Christendom, Anna Sapir Abulafia, 2011.
• Violence in Medieval Europe, Warren C. Brown, 2010.

• Europe's Barbarians AD 200-600, Edward James, 2009.
• Edward the Black Prince: Power in Medieval Europe, David Green, 2007.
• The Devil's World: Heresy and Society 1100-1300, Andrew Roach, 2005.
• The Mongols and the West: 1221-1410, Peter Jackson, 2005.
• The Crusader States and their Neighbours: 1098-1291, P.M. Holt, 2004.
• The Fourth Crusade: Event and Context, Michael J. Angold, 2003.
• The Godwins: The Rise and Fall of a Noble Dynasty, Frank Barlow, 2003.
• Margery Kempe and her world, A.E. Goodman, 2002.
• The Welsh Princes: The Native Rulers of Wales 1063-1283, Roger K. Turvey, 2002.
• Crime in Medieval Europe: 1200-1550, Trevor Dean, 2001.
• The Age of Robert Guiscard: Southern Italy and the Northern Conquest, Graham Loud, 2000.
• The Reign of Richard Lionheart: Ruler of The Angevin Empire, 1189-1199, Ralph V. Turner & Richard Heiser, 2000.
• The Age of Charles Martel, Paul Fouracre, 2000.
• The English Church, 940-1154, H.R. Loyn, 2000.

• Ambrose: Church and Society in the Late Roman World, John Moorhead, 1999.
• Alfred the Great: War, Kingship and Culture in Anglo-Saxon England, Richard Abels, 1998.
• Abbot Suger of St-Denis: Church and State in Early Twelfth-Century France, Lindy Grant, 1998.
• Charles I of Anjou: Power, Kingship and State-Making in Thirteenth-Century Europe, Jean Dunbabin, 1998.
• Philip Augustus: King of France 1180-1223, Jim Bradbury, 1997.
• The Western Mediterranean Kingdoms: The Struggle for Dominion, 1200-1500, David S.H. Abulafia, 1997.
• The Formation of English Common Law: Law and Society in England from the Norman Conquest to Magna Carta, John Hudson, 1996.
• Bastard Feudalism, M.A. Hicks, 1995.
• Medieval Canon Law, James A. Brundage, 1995.
• Justinian, John Moorhead, 1994.
• English Noblewomen in the Later Middle Ages, Jennifer C. Ward, 1992.
• Charles The Bald, Janet L. Nelson, 1992.

• The Medieval Mediterranean (book series)
• Routledge Studies in Medieval Religion and Culture