This two-part book starts with the paper of that name, on the birth of the modern lumpen/proletariat in the 18th and 19th centuries and the storm cloud of revolutionary theory that has always surrounded them. Going back and piecing together both the actual social reality and the analyses primarily of Marx but also Bakunin and Engels, the paper shows how Marx's class theory wasn't something static. His views learned in quick jumps, and then all...