Wizard Wizard
1980
Demon Demon
1984
Titan Titan
1979
Mammoth Mammoth
2020
The Ophiuchi Hotline The Ophiuchi Hotline
1993
Irontown Blues (Urania) Irontown Blues (Urania)
2025
Steel Beach Steel Beach
2019
Flight or Fright Flight or Fright
2018
More of the Best of Science Fiction and Fantasy (Unabridged) More of the Best of Science Fiction and Fantasy (Unabridged)
1995
Titan: Gaean Trilogy, Book 1 (Unabridged) Titan: Gaean Trilogy, Book 1 (Unabridged)
2026
Wizard: Gaean Trilogy, Book 2 (Unabridged) Wizard: Gaean Trilogy, Book 2 (Unabridged)
2025
Demon: Gaean Trilogy, Book 3 (Unabridged) Demon: Gaean Trilogy, Book 3 (Unabridged)
2025