13 Hours: The Inside Account of What Really Happened In Benghazi by Mitchell Zuckoff and the Annex Security Team
Mitchell is a journalism professor at Boston University. This is not a political book. It is a detailed account of what happened on September 11, 2012 in Benghazi. It details what the security arrangement were, including the use of local militia groups, who was where during each of the multiple attacks, who died, who was wounded, and what the responses by the State Department were at the time.