Here are how to books are members recommend

Bird by Bird by Anne LaMott
Formatting & Submitting Your Manuscript Edition 2 by Cynthia Laufenberg
GMC: The Building Blocks of Good Fiction by Debra Dixon
How to Write Killer Fiction Carolyn Wheat
Making the Perfect Pitch Katharine Sands
On Writing Stephen King
On Writing Romance Leigh Michaels
Plot Ansen Dibell
Plot and Structure James Scott Bell
Publicize Your Book! Jacqueline Deva
Scene and Structure Jack M. Bickham
Story: Substance, Structure, Style and The Principles of Screenwriting Robert McKee
Techniques of a Selling Writer Dwight V. Swain
The Elements of Style Strunk and White
The Novel Writer’s Toolkit: A Guide To Writing Novels And Getting Them Published Bob Mayer
The Writer’s Journey Christopher Vogler
Word Painting Rebecca McClanahan
Writing the Breakout Novel Donald Maass
Writing the Breakout Novel Workbook Donald Maass