What is the author's perspective in the nonfiction book, The Worst Hard Time?

“The Worst Hard Time – The Untold Story of Those Who Survived the Great American Dust Bowl,” was written by Timothy Eagan. It is a non-fiction work and the point of view is that of the author who interpreted and reported the material he uncovered during what was obviously intense and thorough research. The author won a National Book Award for “The Worst Hard Time” as well as a “New York Times Editors’ Choice.” Eagan is a Pulitzer Prize-winning reporter and the author of seven books.