A new full cast adventure for the Sixth Doctor and companion Peri Brown The TARDIS arrives in the CAGE - not a trap, but the College of Advanced Galactic Education, one of the most prestigious academic institutions in colonised space. Not a trap. Or is it?
- Format: CD-Audio
- Publisher: Big Finish Productions Ltd
- Publication Date: 30/12/2014
- Category: Classic science fiction
- ISBN: 9781781783351