Mother used to say escape is never further than the nearest book. Well, Mumsy, no, not really. Your beloved large-print sagas of rags, riches, and heartbreak were no camouflage against the miseries trained on you by the tennis ball launcher of life, were they? But, yes, Mum, there again, you have a point. Books don’t offer real escape, but they can stop a mind scratching itself raw.