This publication, dedicated to Marpa-lotsawa (1012-1097) - the great yogi, spiritual mentor, translator and founder of the Kagyu school of Tibetan Buddhism, includes works of various genres: a foreword by Lama Ole Nydahl, a modern teacher of the Karma Kagyu tradition, translation from Tibetan the language of the classical life, or namtara, of Tsang Nyon Heruka (1452-1507), describing the life path of Marpa, an essay on the Indian Vajrayana, an essay on the origins of the Tibetan systematics of tantras and the Karma Kagyu school, a glossary of Indo-Tibetan terminology, a general bibliography of throughout the text. The book is of unconditional interest for Tibetologists, Buddhist scholars and all those interested in Tibetan Buddhism and the mystical teachings of the East.