German Expressionism, Film-noir & Sir Fritz Lang is a history of world's greatest cinematic movements. I have written this book for my passion of World Cinema & my tribute to one of my favorite directors of all time , Sir Anton Fritz Lang. To comprehend Sir Anton Fritz Lang, one must have a good knowledge of two enigmatic style of film-making -- German Expressionist & Film-noir. Without having ample knowledge, nobody will feel the Langian style. He and his films injected a new dimension in my life. To be frank, those who have not watched his films, their lives will remain incomplete. Whatever may be his character, his brilliance & dedication to world Film-history is unforgettable. I appeal to my readers to go through the book seriously & sensitively . Feel the narrative aura of Langian style of Film World.