A father mysteriously slips through time in Joseph Eckert’s The TravelerMikhail Rudenko / Alamy

Writing this as the UK swelters under an unprecedented May heatwave, perhaps it’s small wonder that so many science-fiction authors are currently imagining miserable versions of an overheated future in which their characters are struggling to survive. I’m intrigued by the sound of sci-fi legend M. John Harrison’s upcoming take on a dystopian future, but if post-apocalyptic hellscapes aren’t your thing, I’m also happy to report that there are other options for sci-fi fans this month. I’m already enjoying time-travel adventure The Traveler by Joseph Eckert. Next, I’m going to explore Isabel J. Kim’s sci-fi spin on immigration, Sublimation, as soon as I can get my hands on it. And then for a little light relief, I’m planning on lining up Adrian Tchaikovsky’s Green City Wars.

The End of Everything by M. John Harrison

I am excited about this book: M. John Harrison is a really classy writer, winner of all sorts of awards, and his latest novel sounds right up my street. It’s set in a future years after an obscure “crisis” changed everything, in a world where the seas are full of new creatures. Phillip, who makes a living collecting objects that wash up on the tideline from the Channel, discovers a creature that keeps changing…