This cover image released by Random House Childrens Books shows "The Phantom Tollbooth" by Norton Juster. The celebrated architect and childrens author who fashioned a special world of his own in The Phantom Tollbooth died at age 91. His death was confirmed Tuesday by a spokesperson for Random House Children's Books. Juster's death was confirmed Tuesday by a spokesperson for Random House Children's Books, who did not immediately provide details. “The funny thing is that many of the things I was thinking about for that book did find their way into ‘The Phantom Tollbooth,’" he wrote in 1999.