The story of Ross Lockhart, a billionaire in his sixties, with a younger wife, Artis Martineau, whose health is failing. Can technology save Artis for a future where her condition is curable? The wisest, richest, funniest, and most moving novel in years from Don DeLillo, an ode to language, at the heart of our humanity, a meditation on death, and an embrace of life. A visionary novel of ideas.