Marx has returned, but which Marx? Recent biographies have proclaimed him to be an emphatically nineteenth-century figure, but in this book, Mike Davis’s first directly about Marx and Marxism, a thinker comes to light who speaks to the present as much as the past. In a series of searching, propulsive essays, Davis, the bestselling author of City of Quartz and recipient of a MacArthur Fellowship, explores Marx’s inquiries into two key questions of our time: Who can lead a revolutionary transformation of society? And what is the cause—and solution—of the planetary environmental crisis?