AMHERST - OCTOBER 18: Author Norton Juster at his home. (Photo by Bill Greene/The Boston Globe via Getty Images) Norton Juster, the celebrated children's author who fashioned a world of his own in the classic "The Phantom Tollbooth" and went on to write such favorites as "The Dot and the Line" and "Stark Naked," has died at 91.Juster's death was confirmed Tuesday by a spokesperson for Random House Children's Books, who did not immediately provide details.