Everything links to everything else, and old visions of the future are new again. In the past few decades, we’ve seen remakes of remakes, reboots and repurposing of everything from long-running series like Doctor Who to Star Trek to classic literature. Digital technology has made some things instantly and abundantly accessible, but this has had the effect of obscuring the paths used to get here – the history, the changes in fashion, the nature of the fight, how events looked at the time. A common theme in what I write, fiction and non fiction, is rooting out a spikier, hidden history. I’m always trying to find a slightly sly angle, one that takes big and complicated things and maps them out for a new audience, but which represents a new way of looking at those things even for people who are utterly familiar with them.