In the days of my youth – and much of my time now, as an old person, is spent remembering youthful years – people who wanted to have their books published either had to go through the rigours of a publishing house, with or without an agent on their side, or pay a vanity press to publish the work for them. Vanity presses advertised in what we would call the gutter press, the yellow press, the tabloids; those publications with little intellectual depth, plenty of not necessarily serious advertising, and a high readership; something which has, sadly, not disappeared from the world to this day. A few years ago things…