| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| The Future of Blasphemy: Speaking of the Sacred in an Age of Human Rights | 978-1-4411-8392-7 (1-4411-8392-2) | 2012 |
| The Secular Conscience: Why Belief Belongs in Public Life | 978-1-59102-604-4 (1-59102-604-0) | 2008 |