Oxford University Press · Prentice Hall
| title | ISBN-13 | year of publication |
|---|---|---|
| Philosophical Dilemmas: A Pro and Con Introduction to the Major Questions | 978-0-19-531464-9 | 2007 |
| Philosophical Dilemmas: A Pro and Con Introduction to the Major Questions | 978-0-19-513496-4 | 2001 |
| Philosophical Dilemmas: A Pro and Con Introduction to the Major Questions | 978-0-19-510693-0 | 1997 |
| Philosophical Dilemmas: A Pro and Con Introduction to the Major Questions and Philosophers | 978-0-19-992040-2 | 2013 |
| The Many Faces of Wisdom | 978-0-13-094120-6 | 2002 |
| The Vocabulary of Critical Thinking | 978-0-19-532480-8 | 2009 |