The Wee Free Men/Tear Jerker


 * The story of what normal, decent people are capable of doing to an old lady when they suspect her of being a witch (kill her cat, burn her cottage, leave her to starve). Tiffany's reaction, even years later, is heartbreaking. Pratchett is a master at describing the banality of evil.
 * The Drome in

""I never cried for Granny because there was no need to," she said. "She has never left me!""
 * When Tiffany defeats the Fairy Queen: