revolutionary, fighting commitment and a certain moral passion that goes with it, which gives its special quality to the life and works of Karl Marx, to his Marxism. He recognised for himself and for others the liberating quality of practical activity, the purifying power of revolutionary action in transforming the very nature of those involved in it" (p x). It is a philosophy, yes, but it is even more a philosophy that is realised in action. This, it seems to me, is the only stance which prevents the emasculation of Marxism by either economism or post- Marxism; which rebels at the notion that it can be colonised by neo-classical economics in the name of rational choice; a stance that sees Marxism not merely as an attack on liberal dogma or as explanation, but more importantly as marked by concern, by care for the human condition, by a searing involvement in issues not touched by other philosophies in quite the same way