On a planet where Time stands still, the Doctor meets a Tracer, sent into our Universe to locate the six segments of the Key to Time. This being without a name wants the Doctor to be her assistant, but she doesn't tell him the whole truth. Not at first.
| ISBN: | 9781844353637 |
| Publication date: | 31st January 2009 |
| Author: | |
| Publisher: | Big Finish Productions Ltd |
| Format: | CD-Audio |
| Series: | Doctor Who |
| Genres: |
Science Fiction |