- Cosmic Visions of the Future: The Science Fiction of Stephen Baxter
- Olaf Stapledon: Wisdom in the Cosmos
- Reflections on Human Civilization: Alternative Realities in Robert Sawyer’s Neanderthal Parallax (with Jeanne Belisle Lombardo)
- Science Fiction and the Future: Accelerating Into the Future
- Science Fiction as the Mythology of the Future – Short Version
- Science Fiction as the Mythology of the Future – Long Version
- Science Fiction: The Evolutionary Mythology of the Future
- Stapledon and Cosmic Evolution
- The Future Worlds of Science Fiction: Simmons’ Hyperion Epic