Shadow of the Past CD-Audio
Part of the Doctor Who: The Companion Chronicles series
There's a secret locked up in UNIT's Vault 75-73/Whitehall.
Dr Elizabeth Shaw is the only one left who knows what that secret is.
Returning to the UNIT for the first time in decades, she slowly unravels the past.
The vault contains the remains of a spaceship that crashed in the Pennines in the 1970s.
- Format: CD-Audio
- Publisher: Big Finish Productions Ltd
- Publication Date: 30/04/2010
- Category: Science fiction
- ISBN: 9781844354658