Marc Gellman

• Encyclopedia of Behavioral Medicine
• Does God Have a Big Toe?
• How Do You Spell God
• Always Wear Clean Underwear!
• Religion for dummies
• Always Wear Clean Underwear! and Other Ways Parents Say I Love You
• And God Cried, Too
• Bad stuff in the news
• Cómo se deletrea Dios?
• Encyclopedia of Behavioral Medicine
• Encyclopedia of Behavioral Medicine vol 1 -4
• God's Mailbox