It's the August carnival and three figures dressed in black are hidden on a cart heading for the town...
After a UFO crash landed, the Sussex town of Pentworth has been cut off by a mysterious invisible and impenetrable wall.
'The Silent Vulcan' is the final book in James Follett's sci-fi trilogy of the same name.
Read by Nigel Anthony.
Abridged by Miranda Davis.
Producer: Elizabeth Allard.
Made for BBC 7 and first broadcast in 2004.
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