It a book on a man that being exhausted from a grayness and uselessness of the life by chance finds a black notebook. In her he finds out the records of two kinds. One of them are sketching from life of author, recital of his acquaintance with some mysterious master of meditation. Other - signs are ancient texts with description of psychological practices and new character of thinking. These records can considerably change life. But events toss up to the hero the best chance - to find the Black monk.