Marie Kondo, the Japanese television star of Tiding Up with Marie Kondo (Netflix), wrote in her book The Changing Magic of Tidying Up – ‘I now keep my collection of books to about thirty volumes at any one time’. The phrase was misquoted on social media, as if she had implied that one should only have thirty books. That was not what she wrote. But it got us thinking: what are the thirty books that have most influenced us?There’s the perennial ‘desert island’ challenge. What is the on..