Writing Down the Bones is a great read. It is gratifying to read about writing not as just commodification (come on, we all read to be read, and if we can make a few bucks at it. . . )but for satisfaction of experience and expression. Here's what Natalie Goldberg says in this great little book:
One of the main aims in wirting practice is to learn to trust oyour own mind and body---to grow patint and nonagrressive. Art lives in the Big World. One poem or story doesn't matter one way or another. It's the process of writing and life that matter.