This is a translation of an important treatise of Mahayana Buddhism, the Bodhicharyavatara of Santideva, part of the Wisdom of the East Series. It includes a long introduction by the translator, Lionel D. Barnett, who discusses the rise of Mahayana Buddhism, going into some depth about the significance of these doctrines.
Source and copyright Global Grey Ebooks: https://www.globalgreyebooks.com/index.html. The book can be downloaded from the Global Grey website.