Aquaman: Sword of Atlantis Book One — Kurt Busiek

It's "One Year Later" after the events of Infinite Crisis, and Aquaman has totally changed! The new Aquaman begins the hunt for his missing father and fights a savage duel against an Atlantean warrior over his alliance with the much-feared King Shark. Also, the fate of Atlantis is revealed as Aquaman encounters a band of Atlanteans led by Mera! Who is the new savior of the seven seas and what happened to the original Aquaman? Collects AQUAMAN: SWORD OF ATLANTIS #40-49.