Pentagon to buy books to keep their contents secret.

The article reports on the negotiation of the U.S. Defense Department officials to purchase and destroy the entire first printing of "Operation Dark Heart," an Afghan war memoir by former Defense Intelligence Agency (DIA) officer Anthony Shaffer which contains intelligence secrets. It mentions the goal of the Pentagon officials to protect the national security. DIA director Ronald L. Burgess Jr. expects that the release of the book could cause serious damage to national security.