Counterinsurgency: The Challenge for NATO Strategy and Operations (250 pages - pdf). Produced by the NATO Defense College and edited by Dr. Christopher Schnaubelt, this document includes an introduction and 11 chapters covering NATO's COIN challenges and implications, lessons from Afghanistan, hybrid adversaries, balancing civil-military operations, measures of effectiveness, local security forces in Afghanistan, NATO special forces in Afghanistan, police training in Afghanistan, and COIN foreign assistance.