Talking about sound design and engineering: One of the best introductions to film sound design that I've found is the extra material found on the DVD for THX 1138, where Walter Murch talks about his work on the movie. Some of the work he did there was also used or reworked for Star Wars.
There are also some very interesting interviews of him on YouTube:
There are also some very interesting interviews of him on YouTube:
https://www.youtube.com/watch?v=vIRX26iyyvc&list=PLVV0r6CmEs...