Dr Barend Noordam has published a reivew of John W. Dardess’s More Than the Great Wall: The Northern Frontier and Ming National Security, 1368-1644 (Lanham, MD: Rowman & Littlefield, 2020). The review appears in The Journal of Chinese Military History, vol.9, issue 2, 19th October 2020, https://doi.org/10.1163/22127453-12341357.