Atchity, Kenneth. A Writer's Time: A Guide to the Creative Process, from Vision through Revision
Brande, Dorothea. Becoming a Writer
Cameron, Julia. The Artist's Way: A Spiritual Path to Higher Creativity
Csikszentmihaly, Mihaly. Finding Flow: The Psychology of Engagement with Everyday Life
Dillard, Annie. The Writing Life
Drury, John. The Poetry Dictionary
Goldberg, Natalie. Writing Down the Bones
LeMott, Annie. Bird by Bird
Malone, Nancy M. Walking a Literary Labyrinth: A Spirituality of Reading
Oliver, Mary. A Poetry Handbook: A Prose Guide To Understanding and Writing Poetry
Ueland, Brenda. If You Want to Write: A Book about Art, Independence and Spirit [Caveat: This book published in 1938 contains some cultural attitudes that make me groan; that aside, it is a helpful book.]