The following books are wonderful resources for authors and editors.
Save the Cat Writes a Novel by Jessica Brody
A comprehensive story-structure guide for novelists that applies the famed Save the Cat! screenwriting methodology to the world of novel writing.
The Elements of Style by Strunk and White
This book's unique tone, wit and charm have conveyed the principles of English style to millions of readers. Use the fourth edition of "the little book" to make a big impact with writing.