premise: Lewis Burwell Puller Jr. (August 18, 1945 – May 11, 1994) was an attorney and a former United States Marine Corps officer who was severely wounded in the Vietnam War. He won the 1992 Pulitzer Prize for Biography or Autobiography for his autobiography "Fortunate Son".
hypothesis: Lewis Burwell Puller Jr. wrote only one book.
reason: There is no mention of how many books Lewis Burwell Puller Jr. wrote.  The system would have to infer this information.