The US Department of Defense is trying to stop the distribution of a book by a former intelligence officer.
Anthony Shaffer worked for the Defense Intelligence Agency, and defence officials believe his book reveals classified information.
The book, Operation Dark Heart: Spycraft and Special Ops on the Frontlines of Afghanistan, was due to be released on 31 August.
It is understood more than 9,000 copies have already been printed.
The New York Times… Continue