What is the author's style in The Man Who Listens to Horses by Monty Roberts?

The Man Who Listens To Horses is told from the perspective of Monty Roberts. Monty is the narrator and tells the story of his own true life story. He narrates the story in first person and informs the reader of his various thoughts and feelings at different points of his life. He is telling the story as a man in his 60s, so from time to time he will point out the most significant events in his life and how they shaped his beliefs. He is also able to consistently give the reader his opinions on various topics and experiences. Some stories he tells in a matter of fact fashion, while other times he goes into depth about how he was thinking and feeling.