This novel, Against the Heavens: Thirty Years in the Late Ming Dynasty, by author Qing Yi Yu Fu, tells the story of the year 1619. The Ming Dynasty's four armies launched a joint attack on Saerhu, but Nurhaci, using his brilliant military strategy, annihilated three of the Ming armies. A man from the year 2019, a graduate of a Republic's military academy, is thrust into this bloody and chaotic time.