How do you get rid of unwanted guests? What do you do if there's a racket in the quiet carriage? Who are you supposed to kiss - and is it one kiss or two? How to behave, like how to punctuate, is an aspect of life that many are no longer taught - and getting it wrong is the stuff of comedy at best and humiliation at worst. Thankfully, Sandi Toksvig has come to the rescue with her entertaining guide to modern manners, with tips on what to do whether you're talking to a bore, or forgot their name in the first place.