Instruct: Classify the given review into positive or negative sentiment.
Query: Understanding the conversation

"Some nights the wolves are silent and the moon howls."--Bathroom graffiti in the Blue Moon TavernLike Buckminster Fuller's "Operating Manual For Spaceship Earth", Barnett's work provides a whole-systems approach to understanding our world. His "Decalogue" in Chapter Four -- The Core and the Gap -- provides the linkage between security and economics.Wolves read the title and howl at the moon. But I say, read it all the way through. Then howl with the moon -- in great conversation.[Disclosure: I am Barnett's webmaster]