A fascinating, practical guide to making better decisions with our money, health and personal lives from Gerd Gigerenzer, the author of Reckoning with Risk. Numbers don't lie - but they often mislead us. From health risks to financial decisions, we often find it hard to make decisions because the statistics have been presented to us by 'experts' who misinterpret the data themselves. Here Gerd Gigerenzer shows how we can all use simple rules to become better-informed, risk-savvy citizens.