She was a sharp-featured, pretty girl named Carol, married at an age she often said had been much too young, and it didn’t take her long to discover that she hated London. It was big and drab and unwelcoming; you could walk or ride a bus for miles without seeing anything nice, and the coming of winter brought an evil-smelling sulphurous fog that stained everything yellow, that seeped through closed windows and doors to hang in your rooms and afflict your wincing, weeping eyes.

Besides, she and Warren hadn’t been getting along well for a long time. They may both have hoped the adventure of moving to England might help set things right, but now it was hard to remember whether they’d hoped that or not. They didn’t quarrel much—quarreling had belonged to an earlier phase of their marriage—but they hardly ever enjoyed each other’s company, and there were whole days when they seemed unable to do anything at all in their small, tidy basement flat without getting in each other’s way. “Oh, sorry,” they would mutter after each clumsy little bump or jostle. “Sorry…”