Best of Science Fiction and Fantasy (Unabridged)
1991
Faint Echoes, Distant Stars: The Science and Politics of Finding Life Beyond Earth (Unabridged)
2010
Orion: Orion Series, Book 1 (Unabridged)
2010
Orion Among the Stars: Orion Series, Book 5 (Unabridged)
2010
Titan
2006
Gateways: Original New Stories Inspired by Frederik Pohl (Unabridged)
2025