The Booker shortlist was named, with the winner to be selected on October 17. The finalists include three Americans (Auster, Fridlund and Saunders), two debut novelists (Fridlund and Mozley), and two previous Booker candidates (Hamid and Smith). The complete list: 4321, by Paul Auster (Holt/Faber) History of Wolves, by Emily Fridlund (Grove/Weidenfeld & Nicolson) Exit…