Oolon Colluphid is the author of several books on religious and other philosophical topics. Colluphid's works include:
- Where God Went Wrong
- Some More of God's Greatest Mistakes
- Who Is This God Person Anyway?
- Well That About Wraps It Up for God
- Everything You Ever Wanted To Know About Guilt But Were Too Ashamed To Ask
- Everything You Never Wanted To Know About Sex But Have Been Forced To Find Out