Following directly on from Planet of the Daleks, the Doctor and Jo Grant are diverted from heading home to Earth and pitched into a new encounter with the Doctor's most feared foes.
| ISBN: | 9781785757525 |
| Publication date: | 30th September 2017 |
| Author: | Simon Clark |
| Publisher: | Big Finish Productions Ltd |
| Format: | CD-Audio |
| Series: | Doctor Who - The Third Doctor Adventures |
| Genres: |
Science Fiction |