Humans invented money from nothing, so why can't we live without it? And why does no one understand what it really is? In this lively tour through the centuries, Jacob Goldstein charts the story of this paradoxical commodity, exploring where money came from, why it matters and whether bitcoin will still exist in twenty years. Full of interesting stories and quirky facts - from the islanders who used huge stones as a means of exchange to the merits of universal basic income - this is an indispensable handbook for anyone curious about how money came to make the world go round.