NATIONAL BESTSELLER • Humanity is under assault by malevolent “antimemes”—ideas that attack memory, identity, and the fabric of reality itself—in this whip-smart tale of science-fiction horror, an entirely reimagined and expanded version of the beloved online novel.“Utterly brilliant . . . a dazzling, confusing novel with a highly effective, creeping sense of dread . . . I can’t recommend it enough.”—Charlie Jane Anders, The Washington Post

NATIONAL BESTSELLER • Humanity is under assault by malevolent “antimemes”—ideas that attack memory, identity, and the fabric of reality itself—in this whip-smart tale of science-fiction horror, an entirely reimagined and expanded version of the beloved online novel.“Utterly brilliant . . . a dazzling, confusing novel with a highly effective, creeping sense of dread . . . I can’t recommend it enough.”—Charlie Jane Anders, The Washington Post