Gurdjieff has used more than one system of human typology and in this book we will try to study the main ones in order to better understand ourselves and the world in which we live in. This book explains, for the first time ever, the 28 human types mentioned by Gurdjieff in his books, The Herald of Coming Good and Beelzebub's Tales.After more twenty years of searching through different ways and types of exercises and more than ten years in one of...