12 books
Children of the Chronotron
Prometheus Two and other Stories
Beyond the Darkness & The Fireless Age
Land Beyond the Lens & Diplomat-at-Arms
Outpost on the Moon & Potential Zero
Metamorphs, The & Microcosmic Buccaneers
The Golden Guardsmen
Prometheus II
Mo Dearbadan de
Truth Shock
Star Quest
Hoaxbreaker