It seems something of a disservice to a work of this seriousness to say how beautiful it is, but that is what will first strike the reader. Open this book and if you can prise yourself away from its wonderful marbled end papers, with their swirls and drifts of deepest blue, brilliant flashes of rusty orange, rivulets of ochre, inky spheres and floating masses of fiery red, you will find yourself taken back to the Enlightenment world of Johann Gabriel Doppelmayr’s Celestial Atlasand an age in which Europe’s polymaths were as interested in the discoveries of science as they were...