<p><b>''IT WASN''T BY ELIMINATING THE IMPOSSIBLE THAT YOU GOT AT THE TRUTH, HOWEVER IMPROBABLE; IT WAS BY THE MUCH HARDER PROCESS OF ELIMINATING THE POSSIBILITIES.''</b><br><br>Commander Sam Vimes of the City Watch is used to trouble. There''s <i>always</i> trouble in Ankh-Morpork.<br><br>But this is new: people are being brutally murdered and there''s no evidence of anything<i> alive</i> having been at the crime scene. At the same time, the most powerful man in the city has been poisoned and is clinging on to life by a thread.<br><br>It''s a conundrum of a case. With the help of Captain Carrot, the only watchman who knows the law inside-out; Corporal Cheery Littlebottom, an unconventional dwarf with an eye for forensics; and Constable Angua, a werewolf with an <i>excellent</i> sense of smell, Vimes tries to solve the mystery.<br><br>But time is of the essence, for something extremely dangerous is loose in the city, its red eyes glowing in the night ...<br><br><b>''Fantastical, inventi