In America's Secret War George Friedman identifies the United States's most dangerous enemies, delving into everything from presidential strategies of the last quarter century to hidden reasons behind the attack of 9/11 to the true aim of the war in Iraq.

This book doesn't go on sale until October 5, but you can buy it here today for half price. By comparison, Amazon is taking pre-orders at a 32% discount.

America's Secret War - On Sale Now