| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| Twenty-Five Lessons in Citizenship: 1997-1998 | 978-1-879773-05-9 (1-879773-05-8) | 1997 | Lenore Hennessey Richardson |
| Twenty-Five Lessons in Citizenship | 978-1-879773-06-6 (1-879773-06-6) | 2004 | |
| Twenty-Five Lessons in Citizenship: Updated for the 2008 Redesigned Test | 978-1-879773-26-4 (1-879773-26-0) | 2008 | |