New Polar Horizons: Conflict and Security in the Arctic, by Scott Nicholas Romaniuk, presents an articulate, well-balanced, and highly readable analysis of the dynamic of security in the Polar North. Fraught with military, foreign policy, and international legal challenges, the Arctic region has become an increasingly volatile and hotly contested spot fuelling sharp debate regarding its geopolitical future. The author skillfully navigates the morass of complex social and political issues afflicting this local, including those of sovereignty and jurisdiction, sea lines and communication, energy and resource potential, and militarization. Students and general readers will find this essential reading an invaluable introduction to the regional dynamics of the Arctic and the nations acting within it.