Douglas Porch, military historian and academic, currently a distinguished professor of national security affairs at the Naval Postgraduate School, has written a highly polemical and critical intellectual history of counterinsurgency, aka COIN. It has been selected by the Army chief of staff for his professional reading list, so it is a must-read, at least for Army officers, and more generally for those who follow a debate in which sobriety and balance are rare virtues.
"Counterinsurgency: Exposing the Myths of the New Way of War,"
Naval War College Review: Vol. 67
, Article 13.
Available at: https://digital-commons.usnwc.edu/nwc-review/vol67/iss3/13