Unseen Academicals by Terry Pratchett

For many years the game of foot-the-ball has been played in the back alleys of Ankh-Morpork, with teams formed from street communities coming together in sporting comradeship (involving violence and pies, not necessarily in that order). But the game is starting to turn ugly, and in the spirit of maintaining civic order, the Patrician has decided to make the game legitimate, with…