His primary area of research is state responses to sub-state violence. His recent book The Counter-Insurgency Myth: The British Experience of Irregular War (Routledge, 2011) offers a macro-level history of the evolution of British responses to asymmetric insurgent threats. Andrew has published journal articles on a range of issues that explore how the British state in particular has attempted to deal with insurgencies, including torture, negotiations and reliance on air power. His latest book is Proxy Warfare, published by Polity in spring 2013.