Delaney, Samuel R. About Writing: Seven Essays, Four Letters, and Five Interviews. Middtletown, CT: Wesleyan University Press. 2005.
King, Stephen. On Writing: A Memoir of the Craft. Scribner. 2010.
Maass, Donald. Writing the Breakout Novel: Insider Advice for Taking Your Fiction to the Next Level. Cincinnati, OH: Writer’s Digest Books. 2001.
Strunk, Jr. , William, and E.B. White . The Elements of Style, 4th ed. London: Longman. 1999.
Vandermeer, Jeff. Booklife: Strategies and Survival Tips for the 21st-Century Writer. San Francisco: Tachyon Publications. 2009.
This list is growing. If you know of a must-read, please suggest it.