Marie de France is the author of some of the most influential and important works to survive from the middle ages; arguably best-known for her 'Lais', she also translated Aesop's Fables (the 'Ysop '), and wrote the 'Espurgatoire seint Patriz' (St Patrick's Purgatory), based on a Latin text. The aim of this Companion is both to provide information on what can be gleaned of her life, and on her poetry, and to rethink standard questions of interpretation,...