Lord Foul's Bane (The First Chronicle of Thomas Covenant, the Unbeliever, No. 1)

The first book in one of the most remarkable epic fantasies ever written, the Chronicles of Thomas Covenant, Unbeliever. He called himself Thomas Covenant the Unbeliever because he dared not believe in the strange alternate world in which he suddenly found himself. Yet he was tempted to believe, to fight for the Land, to be the reincarnation of its greatest hero....