[youtube https://www.youtube.com/watch?v=w3rlsj-KEZE?feature=oembed&enablejsapi=1&origin=https://safe.txmblr.com&wmode=opaque&w=250&h=187]

friend pointed me at this documentary from 1947. It was made by Encyclopedia Britannica, and shows the steps involved in turning a story into a finished book.

(via Video: How a Book is Made (1947) | The Digital Reader)