• “The Apartment“ (Tor, 2003)
• ”City at the End of Time (Tor, 2006)
• “The God Box“(with Allen M. Steele, Tor, 2009)
• “The Invention of Memory“ (Tor, 2011)
• “The Klapaucius Protocols” (Tor, 2013)
• “The Algonquin Round Table Murders” (Baen, 2014)
• “Time Blender” (Tor, 2015)
• “The Game-Player” (Tor, 2017)
• “The Great Abraham Lincoln Pocket Watch Conspiracy” (Tor, 2019)
• “The Quantum Connection” (Tor, 2021)
Nonfiction
• “The Right Way to Write” (Wildside Press, 1995)
• “Sandler on Success: How Anyone Can Succeed” (Sandler Publishing, 1996)
• ”Writing Fiction For Dummies“ (IDG Books, 1997)
• ”Finding the Right Words” (St. Martin’s, 1999)
• “The Six Word Story: Writing Tiny Fiction” (Writer’s Digest Books, 2000)