This is a decent introduction to the various elements of film - it is fairly comprehensive in detail in regards to the various elements in play with film-making, mise-en-scene, etc.
For Bazin, the important dichotomy is not that between the sound and the silent
film but rather between films that focus on the image and those that emphasize
editing
Why, in some people's minds, auteur theory does not work.
the director of the film is the creative intelligence who shapes the entire film
in a manner parallel to how we think of, say, literary works being authored.