There was an eighth
son of an eighth son. He was, quite naturally, a wizard. And there
it should have ended. However (for reasons we'd better not go into),
he had seven sons. And then he had an eighth son ... a wizard squared
... a source of magic ... a Sourcerer.
SOURCERY SEES THE RETURN OF RINCEWIND AND THE LUGGAGE AS THE DISCWORLD
FACES ITS GREATEST -AND FUNNIEST- CHALLENGE YET.