Given the appetite of the literary industry, it’s hard to believe that a good thing can go unnoticed for long. But it happens. Occasionally the manuscript of an unheard-of author, or the out-of-print book of a forgotten one, finds its way into the hands of an influential member of the literary establishment – and from there to the rest of us. It’s a big event. Not only does it lend credibility to the old Shakespeare’s sister story (or one of its variants), but it indicates that, even in this over-determined world, it is still possible to be surprised.