| title | ISBN-13 | year of publication |
|---|---|---|
| Alcoholism | 978-0-7377-4550-4 | 2009 |
| Discrimination | 978-0-7377-3740-0 | 2007 |
| Human Rights | 978-0-7377-3746-2 | 2007 |
| Stem Cells | 978-0-7377-3648-9 | 2007 |
| Stem Cells | 978-0-7377-3649-6 | 2007 |
| Weapons of Mass Destruction | 978-0-7377-2250-5 | 2004 |