- Starship: Mutiny (1977)
- Kill Me, Darlin' (1980)
Nonfiction:
- The 15 Biggest Lies in American History: What Your Textbooks Don't Tell You (2002)
- The Seven Greatest Conspiracies of All Time (2007)
- The JFK Conspiracy: The Case for Conspiracy (2010)
- The 9/11 Conspiracy: The Case for Conspiracy (2011)
- The Sandy Hook Conspiracy: The Case for Conspiracy (2013)
- The Boston Marathon Conspiracy: The Case for Conspiracy (2014)
- The Charlie Hebdo Conspiracy: The Case for Conspiracy (2015)
- The Paris Attacks Conspiracy: The Case for Conspiracy (2016)