- Does God Have a Big Toe?Marc Gellman
- How Do You Spell GodMarc Gellman
- Someday you'll thank me for this!Marc Gellman
- Religion for dummiesMarc Gellman
- Encyclopedia of Behavioral MedicineMarc Gellman, J. Rick Turner
- And God Cried, TooMarc Gellman
- Always Wear Clean Underwear!Marc Gellman
- Bad stuff in the newsMarc Gellman
- Lost & foundMarc Gellman
- God's MailboxMarc Gellman
- Religionen der Welt für DummiesMarc Gellman, Thomas Hartman
