A charming tale for people of all ages (but especially for young Sam Vimes) from the pen of Miss Felicity Beedle, Discworld's premier children's author. From Snuff: 'Vimes' prompt arrival got a nod of approval from Sybil, who gingerly handed him a new book to read to Young Sam. Vimes looked at the cover. The title was The World of Poo. When his wife was out of eyeshot he carefully leafed through it. Well, okay, you had to accept that the world had moved on and these days fairy stories were proba