Cline, Ruth Harwood (Trans.): "Chrétien DeTroyes: Yvain, or the Knight
with the Lion" (University of Georgia Press, Athens GA, 1975).
Kibler, William W. & Carleton W. Carroll (Trans.): "Chrétien DeTroyes:
Arthurian Romances" (Penguin Classics, London, 1991). Contains
translations of "Erec et Enide" (by Carroll), "Cligés", "Yvain",
"Lancelot", and DeTroyes' incomplete "Perceval" (by Kibler). Highly
recommended.
Owen, D.D.R (Trans.): "Chrétien DeTroyes: Arthurian Romances" (Everyman
Library, London, 1987). Contains translations of "Erec et Enide",
"Cligés", "Yvain", "Lancelot", and DeTroyes' incomplete "Perceval".
NOTE: This edition replaced W.W. Comfort's in the Everyman Library
catalogue. Highly recommended.