Peter Davison, Janet Fielding and Sarah Sutton reprise their roles as The Doctor, Tegan and Nyssa, in a run of stories following on from 1983's adventure The Arc of Infinity.
| ISBN: | 9781781788776 |
| Publication date: | 31st January 2016 |
| Author: | Colin Brake |
| Publisher: | Big Finish Productions Ltd |
| Format: | CD-Audio |
| Series: | Doctor Who Main Range |
| Genres: |
Science Fiction |