If you think Greg Egan isn’t to your liking – too dense, too much math, too much science – Perihelion Summer is the title for you. With hardly any science inside, this novella shows yet another side of Australia’s most reclusive science fiction author.
While it may have a difficult world in the title, the fact that Tor published it is an indication of its accessibility. Length is another argument to give it a chance: its 214 pages offer a short, smooth, engaging read. While every online bookstore or professional review I’ve consulted seems to consider this a novel, Egan himself calls it a novella on his own website. That classification does matter, as I’ll explain below.
So what’s this little gem about?
Well – climate change, but not as you know it. None of the man-made stuff of Termination Shock or The Ministry for the Future, but change brought about by Taraxippus – a black hole one-tenth the mass of the sun that passes through our solar system.