Trevor Ridley
| Year | Publication | Title | |
|---|---|---|---|
| July 1977 | Boy Astronaut | Boy Astronaut | |
| September 1979 | First Family on the Moon | First Family on the Moon | |
| March 1981 | School on the Moon | School on the Moon |
| Year | Publication | Title |
|---|---|---|
| 1971 | Spell Seven | Spell Seven |
| September 1972 | The Haunted Mountain | The Haunted Mountain |
| July 1977 | Boy Astronaut | Boy Astronaut |