The Discworld is in peril, on the verge of colliding with a terrible red star, its magic waning. It urgently requires a hero. Rincewind, an unskilled and cowardly wizard who is still reeling from the shock of plunging off the edge of the world, is not what it requires. Or Twoflower, the well-meaning traveller whose luggage has its own personality (and legs). Which is unfortunate because that is all there is...