Anna Freud 
Harvard Lectures [PDF ebook] 

This remarkable series of introductory lectures on psychoanalysis is, in fact, a lucid, elegant and profound overview of classic psychoanalytic theory, in which the main aspects of psychoanalytic psychology are spelt out. The simple and clear language characteristic of the author’s lecturing, the precision of her concepts and their mutual relationships, and their liveliness of this comprehensive synthesis make for a thought provoking, exciting reading experience.