| Author | Justin Richards |
|---|---|
| Series |
Doctor Who book: Eighth Doctor Adventures |
|
Release number
|
8 |
| Subject | Featuring: Eighth Doctor Sam |
| Publisher | BBC Books |
|
Publication date
|
February 1998 |
| ISBN | |
| Preceded by | Kursaal |
| Followed by | Longest Day |
Option Lock is an original novel written by Justin Richards and based on the long-running British science fiction television series Doctor Who. It features the Eighth Doctor and Sam.
The Doctor and Sam land in present-day England on the ancestral home of the Silver family. However, the house hold clues to a dangerous centuries old society and something that drove a man to suicide. Unraveling this will take Sam and the Doctor through time and space to save Earth from nuclear fire.