I first read "The Pentagon's New Map" in 2004 when it first came out, and read the sequel right when it came out a year later.
This is the most important book I have ever read, and while I have found many books informative and have been influenced by them, this book is the only one to really change the fundamental way I look at the world.
The essential thesis is depicted in the map above: The world is divided into two parts, the Core and the Gap. The Core is that part of the world that is connected to the global economy. Find a place that is connected, and you will find peace. The Gap is that part of the world that is disconnected. Find a place that is disconnected and you will find violence, poverty, and pandemics.
The map itself draws a line between the connected and disconnected worlds and plots out where the US has used military force since 1990. What it finds a that we have shifted away from great-power conflict towards a role as the "system administrator" of the Gap.
This shift is due to global economic connectivity plus the end of the Cold War. No more great power wars, Barnett says.
Instead, our goal is to connect the disconnected world to the connected world (Or at least it should be, says Barnett).
Barnett built the book based on a presentation he developed when he worked at the Pentagon (The book details in hilarious fashion the importance of PowerPoint briefings inside the Pentagon), and he has given a version of this talk in many other forums. If you haven't read the book, you should watch the video below, because its basically a condensed version of the book.
Part One -
http://www.youtube.com/watch?v=P7El18wbBd4&eurl=http://video.google.com/videosearch?hl=en&q=thomas+barnett&um=1&ie=UTF-8&sa=N&tab=wv&start=10Part Two -
http://www.youtube.com/watch?v=BqJ1QJ9Kjd8&eurl=http://video.google.com/videosearch?hl=en&q=thomas+barnett&um=1&ie=UTF-8&sa=N&tab=wv&start=10Part Three -
http://www.youtube.com/watch?v=H7KGAvxjlUM&eurl=http://video.google.com/videosearch?hl=en&q=thomas+barnett&um=1&ie=UTF-8&sa=N&tab=wv&start=10I'd like to heavily recomend these books, and ask if anyone else has read them.