Hal Foster's masterpiece of adventure enters its second decade as Valiant and Aleta journey to "The New World," a 16-month epic that allows Foster to draw some of his spectacular native Canadian backgrounds, and during which Aleta gives birth to Arn and acquires her Indian nurse, Tillicum. Most of the rest of the book is taken up with the action-packed five-month sequence "The Mad King," during which Val, back at Camelot, confronts the evil, fat little...