At 80, SF author M John Harrison is producing some of his best work. He talks about finding his voice, alien intelligence and the advice from Iain Banks that still spurs him on At 80, SF author M John Harrison is producing some of his best work. He talks about finding his voice, alien intelligence and the advice from Iain Banks that still spurs him on T hree years ago, in a greasy spoon on the fringes of the City of London, M John Harrison – Mike to his friends – told me about the novel he was