This prose rendering of a poem from the late 14th century (or earlier) recounts an adventure undertaken by King Arthur's famous nephew, Sir Gawain. Brave and chivalrous, faithful to his word and ever-mindful of his honor, as well as others', Gawain represents the model of knightly grace. Unabridged republication of Sir Gawain and the Green Knight: A Middle-English Arthurian Romance Retold in Modern Prose, originally published by Charles Scribner's Sons, New York, 1909.
Here's a sample of other books in this Dover category
Beowulf by R. K. Gordon Finest heroic poem in Old English celebrates the exploits of Beowulf, a young nobleman of southern Sweden. Combines myth, Christian and pagan elements, and history into a powerful narrative. Genealogies.
The Song of Roland by Anonymous First and greatest French epic, this 11th-century tale of romance and heroism recounts the adventures of the warrior Roland, nephew of Charlemagne and prince of the Holy Roman Empire. A poetic story of valor, betrayal, and revenge.
The Romance of Tristan and Iseult by J. Bédier, Hilaire Belloc This immortal tale concerns the doomed love between a knight and a princess — one of the great romances of medieval literature, along with that of Lancelot and Guinevere.
A Middle English Reader and Vocabulary by Kenneth Sisam, J. R. R. Tolkien This highly-respected anthology of medieval English literature features poetry, prose and popular tales from Arthurian legend and classical mythology. Includes notes on each extract, appendices, and an extensive glossary by J. R. R. Tolkien.
The Mabinogion by Lady Charlotte E. Guest Collection of 12 medieval Welsh stories considered a masterpiece of European literature. Includes Kilhwch and Olwen, one of the earliest Arthurian tales in Welsh;The Dream of Rhonabwy, The Lady of the Fountain, more.
Selected Canterbury Tales by Geoffrey Chaucer Delightful collection includes the General Prologue plus three of the most popular tales: "The Knight's Tale," "The Miller's Prologue and Tale," and "The Wife of Bath's Prologue and Tale." In modern English.