BBC · John Curley & Associates
| title | ISBN-13 | year of publica- tion | other author(s) |
|---|---|---|---|
| The Hitch Hiker's Guide to the Galaxy: Primary Phase | 978-0-563-40182-7 | 1998 | Douglas Adams |
| The Hitchhiker's Guide to the Galaxy Quandary Phase | 978-0-7927-3737-7 | 2005 | Simon Jones · Douglas Adams |
| The Hitchhiker's Guide to the Galaxy: Secondary Phase | 978-0-563-47789-1 | 2001 | Douglas Adams |
| The Hitch Hiker's Guide to the Galaxy: Secondary Phase | 978-0-563-40183-4 | 1993 | " |