On Writing Well: The Classic Guide to Writing Nonfiction by William Zinsser is a paperback book published by HarperCollins in 2016. It is a textbook written in English and has 336 pages. The book is a guide to writing nonfiction and is in the format of a trade paperback. It weighs 1 pound and is 8.1 inches in length, 5.3 inches in width, and 0.8 inches in height. The author of the book is William Zinsser.