If the early Martin Amis is instantly recognisable by way of its idiosyncratic slang (‘rug-rethink’, ‘going tonto’ etc) then the later Pat Barker can be similarly identified by its finely wrought accounts of physical trauma. ‘Afterwards, it was the horses she remembered,’ runs a specimen sentence from the new novel, ‘galloping towards them out of the orange-streaked darkness, their manes and tails on fire.