The Light Fantastic - Terry Pratchett - Bog

It's just one of those days when nothing seems to go right - and a most inopportune time for the first tourist ever to set foot in Discworld - accompanied by the carnivorous Luggage - to extend his already eventful vacation, even if it's not quite by choice. A monstrous red star is on a direct collision course with the Discworld and the future appears uncertain at best. Discworld needs a hero to save it from total destruction. Unfortunately, it's got the bumbling Rincewind, still recovering from the trauma of falling off the edge of the world. The alternative couldn't be much worse...