Holkham hall

The old adage that everyone has a novel in them has a new version: anyone can write a thriller. Celebrity helps, of course, and Bill and Hillary Clinton are exemplars of the trend, though each has had the sense to draw on professional assistance and the grace to acknowledge it. Closer to home, Britain has spawned its own unexpected authors, led by Richard Osman with his astonishing successful The Thursday Murder Club. Now Alan Johnson, the former Labour MP and cabinet minister, joins the club with The Late Train to Gipsy Hill (Headline, £16.99), his first foray into fiction. He arrives with impressive credentials, however, having published three excellent volumes

The true English disease is Downton Syndrome. Symptoms include a yearning for a past of chivalry, grandeur and unambiguously stratified social order, where Johnny Foreigner had no place unless perhaps as butler in the pantry or mistress in the bedroom. And the focus of the disease is the country house, Britain’s best contribution to the world history of architecture. Except often the architect was Johnny Foreigner. The typologies are well understood: from great halls with their Tudor feasts to Italianate palazzi, with Alexander Pope scribbling in the garden; thence to disturbing Victorian horrors corrupting their inhabitants (q.v. Balmoral), lovable Arts & Crafts by Lutyens and, latterly, the wince-making middle-brow pastiches