Yes, it’s just a book, but it’s a book that is going to have an impact on the public debate. Look at the sales numbers for this book: On September 23rd at 7:05 PM EDT, Amazon.com reported that Cool It was the 85th most popular book of all the books the company was selling at that moment.

And the book topped Amazon’s lists for books in these 3 important categories of public debate over global warming:
#1 in Books > Science > Earth Sciences > Climatology > Climate Changes
#1 in Books > Outdoors & Nature > Environment > Conservation
#1 in Books > Nonfiction > Social Sciences > Political Science > Public Policy