| The Last Starship from Earth | 1968 |
| The Slave Stealer | 1968 |
| The Pollinators of Eden | 1969 |
| The Rakehells of Heaven | 1969 |
| The Organ Bank Farm | 1970 |
| Sex and the High Command | 1970 |
| The Doomsday Gene | 1972 |
| The Gorgon Festival | 1972 |
| The I. Q. Merchant | 1972 |
| Andromeda Gun | 1974 |
| Barnard's Planet | 1975 |
| The Girl With The Jade Green Eyes | 1978 |