Robert McCrum: Literary dialogue comes in many forms – webs of allusion, reference and literary homage. And Ros Barber's new novel The Marlowe Papers takes this conversation to another level
Jonathan Freedland's latest pacy thriller as Sam Bourne connects a number of leftwing intellectuals to a real-life scandal that brought shame upon Yale, writes Ben Shephard
Belinda Bauer's third thriller set in the unfortunate village of Shipcott finds its residents terrorised by a spate of child abductions, writes Alison Flood
Memory loss is the theme of two of the year's most unnerving debuts, while Tom Franklin brings real literary flair to his award-winning Mississippi crime novel, writes Alison Flood