Our world is in a mess. The challenges of climate change, inequality, hunger and a global pandemic mean our way of life seems more imperilled and society more divided than ever; but economics can help! From parenting to organ donation, housing to anti-social behaviour, economics provides the tools we need to fix the biggest issues of today. Far from being a means to predict the stock market, enrich the elite or track money around the globe, economics provides a lens through which we can better understand how things work, design clever solutions and create the conditions in which we can all flourish. With a healthy dose of optimism, and packed with stories of economics in everyday situations, Erik Angner demonstrates the methods he and his fellow economists use to help improve the lives of people and the society in which they live. He shows us that economics can be a powerful force for good, awakening the possibility of a happier, more just and more sustainable world.