Joan Didion wrote her previous book, The Year of Magical Thinking, to describe her grief after the death of her husband, the writer John Gregory Dunne. It is unlikely that she was interested in producing a sequel. But shortly before that book was published, in 2005, Didion's daughter Quintana died as well, of acute pancreatitis after a series of illnesses, at 39. Now Didion has written another book, equally moving, which forms a melancholy companion piece to the first. But in Blue Nights, Didion is mourning not just the loss of her daughter. She's also mourning the loss of herself.
Blue...