The sound of change jangling in our pockets may be less familiar in these days of contactless payment, but we all know how important money can feel in our lives. But might it actually have shaped human history? From the very beginnings of money as a concept, through ideas like credit, forecasting, and cryptocurrency, to its connections to literary classics and great works of art, economist David McWilliams finds the stories that will help the reader to understand the innate link between money and human innovation, and why it might be the secret to our success as a species.