Green Knight of the story turns him green. He tests Moses three times by doing seemingly evil acts, which are eventually revealed to be noble deeds to prevent greater evils or reveal great goods. Both the Arthurian Green Knight and Al-Khidr serve as teachers to holy and upright men (Gawain/Moses), who thrice tested their faith and obedience. It has been suggested that the character of the Green Knight may be a literary descendant of Al-Khidr, brought to Europe with the Crusaders and blended with Celtic and Arthurian imagery. The beheading game appears in a number of tales, the earliest being the Middle
Arthurian Literature (book series) in Europe in the medieval and early modern periods. It now also includes shorter pieces of up to 5000 words that are published in a "Notes" section. "Notes and Queries" described it as "An indispensable component of any historical or Arthurian library". Supplements to "The New Arthurian Encyclopedia" have been issued with each volume. Arthurian Literature (book series) Arthurian Literature is a book series published annually since 1982 by Boydell & Brewer. Richard Barber, founder of The Boydell Press (later Boydell & Brewer), was the editor until volume 11, with co-editors on some volumes. In 2006, Norris J. Lacy described