| year of publication | ISBN | author(s) | title |
|---|---|---|---|
| 1978 | 978-0-86107-004-6 | Paul Bennett | Adventures of Eric the Engine |
| '' | 978-0-86107-005-3 | Paul Bennett | Adventures of Prudence the Aeroplane |
| '' | 978-0-86107-006-0 | Gyles Brandreth | Operation Earth Spyfile |
| '' | 978-0-86107-007-7 | Gyles Brandreth | Operation Space Spyfile |
| 1979 | 978-0-86107-065-7 | Caroline Mills | Charley's Party (Charley Finds Out) |