On their mission to explore the Mariana Trench at the very bottom of the ocean, the deepest and most inhospitable place on Earth, the crew of the deep sea vehicle Erebus make an unusual and startling discovery. A battered blue police box.
Audio CD – Audiobook, 31 May 2013 by Jonathan Morris (Author), Tom Baker (Reader), Mary Tamm (Reader), John Leeson (Reader).
