Nina Stibbe is back in London. It has been 20 years since she left, and 40 years since she first arrived from Leicester to nanny, ineptly, for Mary-Kay Wilmers, the editor of the London Review of Books.

Back then, she chronicled her adventures (minor car crashes; thinking Alan Bennett was in Coronation Street; inadvertently stealing Jonathan Miller’s saw) in deadpan letters to her sister Vic that became the delicious Love, Nina.