I'm just curious as to whether the audio book for The Colour of Magic has a different plot to the book?
On the wiki page: http://en.wikipedia.org/wiki/The_Colour_of_Magic it states that the story ends when
But in the audio book Rincewind and Twoflower leave Tethis to be picked up by a bubble and are not accompanied by anyone else into the capsule.
On the wiki page: http://en.wikipedia.org/wiki/The_Colour_of_Magic it states that the story ends when
Rincewind, Twoflower and Tethis the sea troll hijack the capsule in an attempt to escape and are launched off the Disc themselves.