"The Dewey system has its fine points" reflected the librarian, picking a parasite from its fur, "But when you're setting out to look for a crucial stolen book within the multi-dimensional folds of L-space, what you really need is a ball of string."

Stars John Wood and Martin Jarvis.

The 8th of Terry's Pratchett's comic fantasy stories set on Discworld.

Narrator …. Martin Jarvis
Captain Vimes …. John Wood
Nobby …. Melvyn Hayes
Sergeant Colon …. Stephen Thorne
Lady Ramkin …. Helen Atkinson-Wood
Carrot …. Robert Gwilym
Lord Vetinari … Crawford Logan
Supreme Grand Master …. Brett Usher
Brother Doorkeeper …. Jeff Nuttall
Brother Fingers …. Michael Roberts
Death …. Himself

Director: John Taylor

First broadcast on BBC Radio 5 in December 1992. Show less