If you have never taken a nutrition course and know very little about the subject, this is a decent overview of the topic.
I expected something more in-depth with recent research.
I liked the narrator.
If you haven't heard the information before, I imagine you might enjoy the lectures.
Robert Penn does a terrific job weaving together the history of bicycling, and specifically, the history of the bike components, with his own extensive biking experience and his own passion to supervise the building of a new bike. Anyone who has a passion for bicycling, even of the spinning variety, will enjoy, and be enlightened, by this book.