The Interpretation of Dreams (3rd edition‪)‬

The Interpretation of Dreams is a book by Sigmund
Freud. The first edition was first published in German in November 1899 as
Die Traumdeutung (though post-dated as 1900 by the publisher). The
publication inaugurated the theory of Freudian dream analysis, which activity
Freud famously described as "the royal road to the understanding of unconscious
mental processes".

— Excerpted from Wikipedia, the free encyclopedia.