Photos: Joan Didion through the years NEW YORK, NY - SEPTEMBER 24: Joan Didion attends The American Theatre Wing's 2012 Annual Gala at The Plaza Hotel on September 24, 2012 in New York City. (Photo by Jemal Countess/Getty Images) (Jemal Countess/Getty Images)
Photos: Joan Didion through the years WASHINGTON, DC - JULY 10: U.S. President Barack Obama (R) helps as author Joan Didion (C) is escorted from the stage after being presented a 2012 National Humanities Medal during a ceremony in the East Room of the White House on July 10, 2013 in Washington, DC. Didion is recognized for her mastery of style in writing. (Photo by Pete Marovich/Getty Images) (Pete Marovich/Getty Images)
Photos: Joan Didion through the years Robert Graham, Eric Fischl John Baldessari, Joan Didion, guest and Anjelica Huston (Photo by Alexandra Wyman/WireImage for Hammer Museum) (Alexandra Wyman/WireImage for Hammer Museum)
Photos: Joan Didion through the years David Hare, director, Joan Didion and Vanessa Redgrave (Photo by Jemal Countess/WireImage) (Jemal Countess/WireImage)
Photos: Joan Didion through the years NEW YORK, NY - OCTOBER 11: Director Griffin Dunne and Writer Joan Didion attend the 55th New York Film Festival presentation of - "Joan Didion: The Center Will Not Hold" at Alice Tully Hall on October 11, 2017 in New York City. (Photo by Nicholas Hunt/Getty Images) (Nicholas Hunt/Getty Images)
Photos: Joan Didion through the years Portrait of American author Joan Didion as she sits in a chair in front of a bookshelf, Berkeley, California, April 1981. (Photo by Janet Fries/Getty Images) (Janet Fries/Getty Images)
Photos: Joan Didion through the years American authors Joan Didion and her husband John Gregory Dunne (1932 - 2003) attend a party for the movie 'Play It As It Lays' at the Directors' Guild of America in Los Angeles, October 1972. The film was based on the 1970 novel of the same name by Didion, and she co-wrote the screenplay with Dunne. (Photo by Frank Edwards/Fotos International/Getty Images) (Frank Edwards/Getty Images)
Photos: Joan Didion through the years American author Joan Didion speaks at an unspecified event at the College of Marin, Kentfield, California, February 1977. (Photo by Janet Fries/Getty Images) (Janet Fries/Getty Images)