The Colour of Magic

The Colour of Magic is a fantasy book by Terry Pratchett. It was published in 1983 and it is the first book in the "Discworld" series.
Plot.
The story follows Rincewind, a wizard who can do no magic and is very cowardly. He is forced to act as a guide to a man called Twoflower who is the first tourist on Discworld.
Adaptations.
A TV version of the book was made with David Jason playing the part of Rincewind.
A text based computer game version was released in 1986.