This essay takes up the question of how new practices and religious ideologies spread by reinterpreting preexisting ideologies and practices. Written for a volume honoring Roger Corless (1938-2007) a scholar of Chinese Pure Land Buddhism, “A Tang Esoteric Manual for Rebirth in the Pure Land” illustrates how Esoteric or Tantric Buddhist texts appearing in China from the seventh century onward were integrated with or even hijacked pre-existing Buddhist Mahāyāna literature and practice. The manual under discussion is a particularly apt example of such appropriation. The aim of traditional Pure Land soteriology is to have a vision of the paradise of Amitabha and to attain rebirth in Amitabha’s Pure Land at the time of death. Esoteric soteriolog...