“On Writing Well: The Classic Guide to Writing Nonfiction” by William Zinsser is a timeless textbook on language arts and disciplines that covers subjects such as authorship, rhetoric, and composition. Published by Turtleback in 2016, this hardcover book is a valuable resource for both aspiring writers and seasoned authors looking to refine their writing skills. With a focus on practical advice and effective techniques, this 321-page book is a must-have for anyone interested in improving their writing abilities in the realm of nonfiction.