A Polaroid photograph of Didion in the art department at Vogue , circa 1958. Photo: Permission courtesy of The Didion Dunne Literary Trust Joan Didion, unsurprisingly, took a lot of notes. The author and journalist, who died at 87 in 2021, also kept those notes, and her datebooks, and more generally the paper trail of her literary legacy. All of it, after her death, went to the New York Public Library, knitted together with that of her writer husband, John Gregory Dunne. “They’re very