The Umbrella Man is back. But when the Doctor recruits UNIT's Scientific Adviser Elizabeth Klein for an off-the-books mission to the apocalyptic final days of Hitler's Germany, he isn't expecting Klein's hapless young assistant, Will Arrowsmith, to be joining them too.
- Format: CD-Audio
- Publisher: Big Finish Productions Ltd
- Publication Date: 31/07/2013
- Category: Science fiction
- ISBN: 9781781780756