If you do not feel comfortable taking on the tasks of managing production of your book -- for example, hiring and supervising an editor, designer, indexer, printer, etc. -- consider using a book packager or consultant.
While POD is the best way to produce small quantities of a book, offset printing yields by far the greatest economy of scale and can produce a more professional-looking product.
There are many active organizations and discussion groups and useful newsletters to help you with your writing, marketing and publishing. Here's a list:
