Saul Bellow is the only author who has ever won the National Book Award three times. For which three books did he win?
The Old System, Mosby's Memoirs, and Tell Me a Riddle
To Jerusalem and Back, Something to Remember Me By, and The Adventures of Augie March
The Adventures of Augie March, Herzog, and Mr. Sammler's Planet
Mr. Sammler's Planet, Herzog, and To Jerusalem and Back