The classical work of Gampopa, the patriarch of the Kagyu school within Tibetan Buddhism tradition and the student of famous Milarepa, is one of the pioneering encyclopedia dedicated to Buddhist views and practices, especially that of Mahayana. Th e text describes minutely the stages of development of a Mahayana practitioner from entering the path until reaching enlightenment. Precise accounts of the Buddhist key points and methods along with highest literary and heartfelt values make the book of a constant reference source for a practitioner and one of the most remarkable compositions of Tibetan literature as well.