Perceforest is one of the largest and certainly the most extraordinary of the late Arthurian romances, and is almost completely unknown except to a handful of scholars. But it is a work of exceptional richness and importance, and has been justly described as "an encyclopaedia of 14th-century chivalry" and "a mine of folkloric motifs." Its contents are drawn not only from earlier Arthurian material, but also from romances about Alexander the Great, from Roman histories and from medieval travel writing - not to mention oral tradition, including as it does the first and unexpurgated version of...