If you find yourself tongue-tied in awkward situations, panic no more because these five handy pocket books are guaranteed to provide you with a handy one-liner for every sticky moment you can possibly experience, from being caught with your hand in the office biscuit jar one too many times to having accidentally joined the gym and not knowing how to exit without losing face. Whether you need to avoid effort, pass the buck or dodge a bullet, this encyclopaedia of exemplary excuses will steer you out of any tight spot.