A collection of shorter fiction from Terry Pratchett, spanning the whole of his writing career from schooldays to Discworld and the present day. Â In the four decades since his first book appeared in print, Terry Pratchett has become one of the world's best-selling and best-loved authors. Here for the first time are his short stories and other short-form fiction collected into one volume. A Blink of the Screen charts the course of Pratchett's long…