This first volume in a new trilogy of books by Antonio Negri examines and develops the Italian tradition of radical Marxist thought known as operaismo or ‘autonomist Marxism’ – the tradition to which Negri himself adheres and in which he is a leading figure.The tradition of operaismo emphasizes the role of the worker in capitalism and the primacy of class struggle. Within this framework, Negri’s key contribution has been to theorize the transition from the ‘mass worker’ to the ‘soc...