Talk to the Hand is not a book about manners or etiquette. It is about the rudeness of the modern world, and the sense of outrage that infects us every day as we discover that other people are - generally speaking - crass, selfish, and inconsiderate. That man just dropped a cigarette packet on the floor. Should you do anything? You say to the shop assistant, `Can you tell me the price of this? There doesn`t appear to be a label`, and she says, `What do you think l am, psychic? In her follow-up to Eats, Shoots & Leaves, Lynne Truss asks why rudeness is a universal flashpoint and examines specific sources of affront.