“On Writing Well: The Classic Guide to Writing Nonfiction” by William Zinsser is a highly regarded textbook in the fields of business and language arts. The 336-page trade paperback provides invaluable insights on style manuals, rhetoric, and business writing. Published by HarperCollins in 2016, this book is a must-have for intermediate level adult learners and those seeking to improve their writing skills in a practical and engaging way. With its comprehensive coverage and expert guidance, Zinsser’s work remains a timeless resource for anyone looking to hone their writing abilities in the nonfiction genre.