11.   A former Vietnam War American Red Cross volunteer, Edwards has also written several books and hundreds of articles on fitness-related subjects.

12.   After leaving the Marines, he taught history at Howard University in Washington for a year and wrote several books on national security issues.

13.   By the time Austen was a teen-ager, she already had written several books.

14.   By the time she met Greene, Hazzard had written several books.

15.   For that matter, Lieberman also has written several books.

16.   Frantz and Collins have also co-authored several books.

17.   Gafner has published several books in French, but none have ever been publishing in the United States.

18.   Four years after beginning his apprenticeship, he joined the staff of The New Yorker and has since written several books.

19.   He became an expert on a fellow Genoan, Christopher Columbus, and wrote several books on him.

20.   He also managed to write or edit several books.