What is the author's perspective in the nonfiction book, How to Read Literature Like a Professor?

William C. Foster writes his book "How to Read Literature Like a Professor" in the first-person perspective, which serves to be his own. He speaks with authority as an English professor on literature, writing in an objective manner, but also making references to himself throughout the book. His authority on the subject are clear, and he writes from this point of view, of having knowledge that many of his readers may not, which he seeks to impart to them through the book.