The Battle of Evernight is a fantasy novel by Cecilia Dart-Thornton, published in 2003 by Warner Aspect, a division of Time Warner U.S.A., Pan Macmillan U.K., Pan Macmillan Australia, Editrice Nord, Italy, Luitingh-Sijthoff, Netherlands, Pipe Verlag, Germany and A.S.T. Publishing, Russia.. It is the third novel in the Bitterbynde trilogy and the sequel to The Lady of Sorrows. Thus ends the Bitterbynde Trilogy.