This set includes five paperback books on various U.S. military operations and doctrines. Each book offers detailed analysis and historical context. Each book measures 9" x 6". They were published by Combat Studies Institute Press in Fort Leavenworth, Kansas circa 2004 to 2006. The titles included are: OP 5: In Search of an Elusive Enemy: The Victorio Campaign OP 6: The Road to Abu Ghraib: US Army Detainee Doctrine and Experience OP 10: Eyes Behind the Lines: US Army Long-Range Reconnaissance and Surveillance Units OP 11: Mobility, Vigilance, and Justice: The US Army Constabulary in Germany, 1946-1953 OP 13: Circle the Wagons: The History of US Army Convoy Security

Covers do have some minor wear including staining and creasing / corner dings. No rips or tears to pages noted. See pictures for further details on condition.