The Mysterious Benedict Society (Complete NYT bestselling series), by Trenton Lee Stewart: The Mysterious Benedict Society (2007, 485 pages), … and the Perilous Journey (2008, 440 pages), … and the Prisoner’s Dilemma (2009, 391 pages), ... and the Riddle of Ages (2019, 391 pages), and The Extraordinary Education of Nicholas Benedict—a prequel (2012, 470 pages). Little, Brown. Ages 9-12 years. Hardcovers in excellent, like new condition, including dust jackets. Text only. Cash or Venmo.