Published in Spain in 1508, this novel is a masterpiece of medieval fantasy. In Book III, Amadis travels throughout Europe gaining fame as the Knight of the Green Sword. Among his feats, he challenges the devilish beast called the Endriago and wins the gratitude of the Emperor of Constantinople. But back in Great Britain, his beloved Princess Oriana secretly gives birth to his son. Then her father, King Lisuarte, decides to give her as a bride to the Emperor of Rome. Amadis must rescue Oriana. This book drove Don Quixote mad. What will it do to you?