Longest Day by Michael Collier
| ISBN: | 9780563405818 |
| Publication date: | 2nd March 1998 |
| Author: | Michael Collier |
| Publisher: | BBC |
| Format: | Paperback |
| Pagination: | 276 pages |
| Series: | Doctor Who |
| Genres: |
Science Fiction Children’s / Teenage fiction: Science fiction |