The 30th Discworld novel and the seventh in the Watch theme. "Thud" is the Discworld equivalent of chess, with pieces portraying dwarfs on one side and trolls on the other, at the legendary Battle of Koom Valley. The anniversary of the Battle is just around the corner. Since this was a very important date for both the Dwarfs and the Trolls (No one knows who won, who started it or what the heck actually happened, but everyone cries "Remember Koom Valley!" when they want to get the blood up), tensions are running high in Ankh-Morpork. Commander Vimes of the City Watch is not happy about this, nor about Salacia Von Humpeding, the new vampire recruit, nor about the Patrician's clerks poking about the Watch. Nevertheless, he takes all this in stride, and still manages to get home every day at s