* Parallax (1994)
* Zero Gravity (1997)
* The Porphyry Belt (2000)
* The Temporal Void (2003)
* The Quantum Enigma (2006)
* The Judas Strain (2008)
* The Resurrectionist (2011)
* The Affinity Bridge (2014)
* The Everlasting (2017)
* The Last Firewall (2019)
Non-Fiction
* The Art of Science Fiction (2002)
* The Science of Science Fiction (2005)
* The Future of Science Fiction (2008)
* The Sociology of Science Fiction (2011)
* The Psychology of Science Fiction (2014)
* The Philosophy of Science Fiction (2017)
* The History of Science Fiction (2019)