Introduction, by C. T. Hsia.--Chʾü Chʾiu-po: the making and destruction of a tenderhearted communist.--The phenomenon of Chiang Kuang-tzʾu.--Lu Hsün and the dissolution of the League of Leftist Writers.--Aspects of the power of darkness in Lu Hsün.--Enigma of the five martyrs.--Twenty years after the Yenan Forum.