Pre-Production
A lot of filmmakers don't really understand the process, and how it can save them time and money making their film.

Production
On the set you have to make at least 15 decisions a minute, and you don't always have time to think things through.

Post-Production
A lot of the mistakes you made in production can be fixed here. And what can't be fixed can be cut around, hopefully.

Or order all 3
This includes the Pre-Production, Production, and Post-Production books.

Sound
Why is the sound so bad on Independent movies? Good sound is the difference between professionals and amateurs.