Fiction
Beyond Infinity
The Martian Race
Eater
The Stars in Shroud
Jupiter Project
Shiva Descending (with William Rostler)
Heart of the Comet (with David Brin)
A Darker Geometry (with Mark O. Martin)
Beyond the Fall of Night (with Arthur C. Clarke)
Against Infinity
Cosm
Foundation’s Fear
Artifact
Timescape
The Galactic Center Series
In the Ocean of Night
Across the Sea of Suns
Great Sky River
Tides of Light
Furious Gulf
Sailing Bright Eternity
Non-fiction
Deep Time: How Humanity Communicates
Across Millennia