The Spy by Ajay Chowdhury (Harvill Secker, £18.99) The fourth novel in Chowdhury’s series sees the former Kolkata policeman turned Met officer Kamil Rahman recruited by MI5 to foil a terrorist plot that’s being hatched in an east London mosque. His attempts to win the trust of the plotters take him to the heart of the Kashmir conflict, an appalling hell-brew of nationalism, personal greed, brutality and suffering. Meanwhile, Brick Lane restaurateur Anjoli, his old friend and sometime employer, also finds herself in danger when she helps family friends investigate the kidnap of their teenage son, who manages to convey...