Business Grammar, Style & Usage: A Desk Reference for Articulate & Polished Business Writing & Speaking by Alicia Abell.
This book features easy-to-follow instructions and 10 techniques for preparing polished written documents and writing and speaking in an articulate manner; it also covers misused punctuation and spelling, misused terms, and developing a writing style.
Introduction Chapter 1 - Writing Well For Business Chapter 2 - Getting Grammar Straight Chapter 3 - Dealing With Questions of Style Chapter 4 - Avoiding Common Mistakes Chapter 5 - Composing Office Documents Bibliography