God of the Golden Fleece (Book of the Gods, Volume 4)

When Proteus Crawls From The Sea, Brain Damaged In A Fight With A Terrible Giant, All He Can Put Together From His Shattered Memory Is That He Was Sent To Aid Jason And The Argonauts On Their Perilous Mission.--jacket. Fred Saberhagen. A Tom Doherty Associates Book. Jason and his fellow Argonauts rescue a man, severely injured in a battle with a giant, who knows only that his name is Proteus, unaware that Proteus is really one of the Olympian gods