Unpublished until now lecture series Borges gave which at university Harvarda between October 1967 and the April of 1968, made a list from tapes, for over 30 years resting in library subways. And these are titles of lectures: "Riddle of the poetry", "Metaphor", "Art of the story", "the Music of words and the translation", "the Thought and the poetry", "Creed of the poet". a "Craft of the poetry" is leading to the knowledge about literature, about the literary taste and to very Borges, real strongroom of literary pearls, given in essayistic, unpretentious, often for form ironic, always whereas stimulating for the thinking.