Sometimes it pays to read a book about something you think that you already know. While I have worked with producers often as a writer, director, assistant, and assistant director, and though I have done some low-budget producing of my own, I still found "Producer to Producer" by Maureen A. Ryan (not to be confused with the television journalist of the same name) to be an indispensable and enlightening text.
Many people do not know what a producer does. If the director "makes" the movie in the artistic sense, the producer "makes" the movie in the practical sense. Many responsibilities that civilians ascribe to the director or 1st AD actually fall to the producer. And without a good producer, your film will likely fail.
In "Producer to Producer," Ryan walks the reader through the process of producing, from idea to sale, and dispenses knowledge gleaned from years in the field along the way. While I generally know what a producer does, having worked with a number of them, this book reaffirmed for me the correct priorities, approach, and attitudes required for successful producing.
For example, in her chapter on lawyers, Ryan reminds the reader that a lawyer is an extension of you. You have to decide if that lawyer will complement and amplify your skills and attitude or provide a contrast in an area you lack. This consideration could apply to any representative you hire to do business on your behalf. In her chapter on safety, she focuses on how important it is to hire the right crew with the right experience, which in her view is the best protection against on-set accidents. This sort of nuts and bolts knowledge combined with concise philosophy is spread throughout the book. The insights are invaluable even for someone who might be experienced in the field.
I will pick one nit with the book. Ryan generally feels that it is okay to have people work on low-budget film for free in exchange for experience or barter. To me, the only acceptable free labor is direct barter for a comparable product. For example, you mix my sound, I write your short film. I don't fault Ryan for this, as this is a largely generational difference, but it is my belief that if you allow someone to work for free on your film set, you are devaluing that position and undercutting the wage market for that skill.
But, that small issue aside, I would wholeheartedly recommend this book to anyone from a novice looking to learn more to a seasoned indie veteran. I've been in the trenches in a variety of ways throughout my career and I still learned a lot.