Joan Didion, a master of rhythm and of the meaning of the unsaid, was remembered Wednesday as an inspiring and fearless writer and valued, exacting and sometimes eccentric friend.

Lauren Groff’s novel “Matrix” is among the finalists for an Andrew Carnegie Medal for fiction.

This combination image shows "Deacon King Kong" by James McBride, left, and "Fathoms: The World in the Whale" by Rebecca Giggs. The American Library Association has announced its winners of the Carnegie medals for literary excellence, awarding McBride in the fiction category and Giggs in nonfiction. (Riverhead Books, left, and Simon & Schuster via AP)NEW YORK – This year's winners of the Carnegie medals for fiction and nonfiction, presented by the American Library Association, have each checked out a few books in their time. But in Philly, you can,” explained McBride, whose novel last year was chosen by Oprah Winfrey for her book club. With a grant from the Carnegie Corporation of New York, the library association established the award in 2012, with winners in each category receiving $5,000.