An unrivalled introduction to a fascinating subject, Law and Theology in the Middle Agesexplores the relationship between law and theology in medieval Europe. Focusing on legal and theological responses to justice, mercy, fairness, and sin, this text examines the tension between ecclesiastical and secular authority in medieval Europe, illustrating areas of dispute in a clear and accessible way.'The book fulfils the promise of its title ... I would like to recommend it for lawyers, theologians and historians: it will be well worthwhile!'- Journal of Beliefs and Values