- *Black Earth: The Holocaust as History and Warning* (2015)
- *God, Marx and the Future: Dialogues with Theology* (2009)
- *Surfing to Salvation: How God Is Using Pop Culture Phenomena for Good* (2007)
- *A God That Could Be Real* (2003)
- *From Watts to Woodstock: The Rise of the Counter Culture in the 1960s* (1997)
- *God in Your Genes: How Faith Works* (1992)
Articles
- "The Holocaust and the Problem of Evil" (2015)
- "Theology and the Natural World" (2009)
- "Pop Culture and the Gospel" (2007)
- "The New Atheism" (2003)
- "The 1960s: A Time of Great Social and Cultural Change" (1997)
- "Genes and Faith: A New Understanding" (1992)