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: The Bitter Twins - Jen Williams (a dragon winding about the book title)War has begun. While Noon and Vostok struggle to forge their friends into a coherent fighting unit, Vintage unearths clues that will lead them away from the conflict in search of Ysgeril’s birthplace. But the enemy is moving against them in ways they’ve never seen before. Everybody needs allies, but who can trusted?

Book cover: Gnomon - Nick Harkaway (pieces of paper drifting against a black background; the outline of a shark fin in the centre)In a near-future surveillance state, Mielikki Neith must investigate why an author died resisting a routine interrogation; and what secrets she was trying to hide. But when Mielikki is immersed in Diana Hunter’s memories, she finds other personalities instead – a Carthaginian witch; a Greek investment banker; an Ethiopian artist; an angry spirit determined to consume everyone. Are any of them real? Who was Diana Hunter?

Book cover: Raven Strategem - Yoon Ha Lee (spacefighters attacking a space station against a green sky)Kel Cheris, half-possessed by the ghost of notorious General Shuos Jedao, survived an assassination attempt that wiped out her entire fleet. Or did she? Physical appearances aside, it appears to be Jedao who usurps command of General Kel Khiruev’s fleet. Formation instinct compels the Kel to follow Jedao – but will he really defend the Hexarchate from the Hafn? Or will he betray them to their deaths?

Book cover: Spellslinger - Sebastian de Castell (styled like a playing card, with a magical young man at either end)Kellen is 15, the astonishingly untalented son of the Jan’Tep’s greatest mage. Struggling to cast even the simplest spells, he’s the butt of jokes and school yard bullying. Worse, if he can’t pass his mage trials before he turns 16, he’ll be relegated to the Sha’Tep servant class – reliant on his obnoxious little sister’s charity if he’s lucky, sent down the mines if he’s not.