Nick Davies, Chatto and Windus, £17.99
In the Dark Ages lepers were forced to ring a bell and shout "Unclean, unclean!" while both peasant and lord shunned an illness they didn't understand and couldn't cure.
Many on the left today take a similar line on the mainstream media. At the Heathrow camp for climate action last summer journalists had to carry a flag to identify themselves. For the editors of Media Lens, a website that harries the media from the left, media workers are "cogs in the machine of industrial killing".