Terry Pratchett

Strata is a science fiction novel by Terry Pratchett. Published in 1981, it is one of Pratchett's first novels and one of only two purely science fiction novels he has written, the other being The Dark Side of the Sun. Although it takes place in a different fictional universe and is more science fiction than fantasy, …

It's just one of those days when nothing seemsto go right—a most inopportune time for thefirst tourist ever to set foot (and carnivorous Luggage) on the Discworld to be extending his already eventful vacation. (Not that he currently has much choice in the matter.) But with a monstrous red star on a direct collision …