Book cover: Persepolis Rising - James S A Corey (who would have guessed - it's a close up of a spaceship in flight)Earth has almost recovered from the Free Navy’s genocidal attack. The Alliance have nearly rebuilt their depleted navies. The Belters’ Transport Union controls traffic to all the colonies beyond the Gates …except one. Now the Gate to Laconia is about to re-open. Mars’s wayward children are ready to return, and they have their own vision for the future of humanity…

Book cover: Shelter - Dave Hutchinson (a man walks towards a cottage against a lurid red-yellow sky)When the Sisters hit the Earth, they ended modern civilisation in minutes. Tidal waves wiped out coastal cities. The Long Autumn culled millions as oceans rose, crops failed and medicines ran out. 100 years later, opposing forces are trying to assert control over Britain’s scattered survivors. Welcome to the Aftermath.

Book cover: The Burning Page - Genevieve Cogman (mostly text treatment, with a silhouette of a man and a woman in period dress)Irene is still working off her superiors’ displeasure for abandoning her assigned world to rescue Kai. The dragons are irritated that she won’t accept their protection to stop it happening again. And the Fae probably want to kill her. But soon they’ll all have bigger things to worry about: Alberich is back – and this time he has his eyes set on the Library itself…

Yoon Ha Lee’s Machineries of Empire is hands-down my favourite space opera of recent years. The third book, Revenant Gun, was published this week, bringing the series to a close (or does it? There’s a promise of short stories to come, at least) and I’m delighted to be part of the supporting blog tour. To celebrate, I’m giving you my top ten reasons to join the Hexarchate…