The Farthest Shore (Earthsea Cycle, Bk. 3)

In this third book in the Earthsea series, darkness threatens to overtake Earthsea: The world and its wizards are losing their magic. But Ged Sparrohawk Archmage, wizard, and dragonlord is determined to discover the source of this devastating loss. Aided by Enlad's young Prince Arren, Ged embarks on a treacherous journey that will test their strength and will. Because to restore magic, the two warriors must venture to the farthest reaches of their world and even beyond the realm of death.