Demian. Die Geschichte von Emil Sinclairs Jugend

Demian: The Story of Emil Sinclair's Youth is a Bildungsroman by Hermann Hesse, first published in 1919; a prologue was added in 1960. Demian was first published under the pseudonym "Emil Sinclair", the name of the narrator of the story, but Hesse was later revealed to be the author; the tenth edition was the first to bear his name.