Longest Day (novel)
| Author | Michael Collier |
|---|---|
| Series | Doctor Who book: Eighth Doctor Adventures |
Release number | 9 |
| Subject | Featuring: Eighth Doctor Sam |
| Publisher | BBC Books |
Publication date | March 1998 |
| ISBN | 0-563-40581-3 |
| Preceded by | Option Lock |
| Followed by | Legacy of the Daleks |
Longest Day is an original novel credited to Michael Collier. Based on the long-running British science fiction television series Doctor Who, it features the Eighth Doctor and Sam.