Why would the sprawling thirteenth-century French prose Lancelot-Grail Cycle have been attributed to Walter Map, a twelfth-century writer from the Anglo-Welsh borderlands known for his stinging satire, religious skepticism, ghost stories, and irrepressible wit? And why, though the attribution is spurious, is it not, in some ways, implausible? Joshua Byron Smith sets out to answer these and other questions in the first English-language monograph on Walter Map—and in so doing, he...
