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?