Why are Iraqi prisoners of war being forced to listen to Barney the Purple Dinosaurs theme tune repeatedly, at top volume? Why have 100 de-bleated goats been secretly placed inside the Special Forces command centre at Fort Bragg, North Carolina? Has the US army really enlisted the help of Uri Geller? In The Men Who Stare at Goats, Jon Ronson searches for answers to these and many other questions, revealing some of the extraordinary beliefs at the core of the War on Terror.