On Writing Well : The Classic Guide to Writing Nonfiction by William Zinsser
"On Writing Well: The Classic Guide to Writing Nonfiction by William Zinsser is a comprehensive textbook on style manuals, rhetoric, and business writing. Published by HarperCollins in 2016, this trade paperback book offers valuable insights on writing nonfiction works in English language. With 336 pages filled with practical tips and expert advice, this book is a must-have for anyone looking to improve their writing skills in the business and language arts disciplines."