In his latest book, bestselling author Cass Pennant takes an engaging and unparalleled look at some of the most volatile and violent scenes of fans following their football clubs to have unfolded over the past five decades, and examines the lengths to which many will go to put one over their local rivals.Here is history that also examines everything from the changing face of football violence, to who gets involved - and why. It looks, too, at how...