The Arctic has been characterized by international cooperation but has recently emerged as a possible arena for great power rivalry. A key question affecting development among most dimensions is the relationship between the largest Arctic state, Russia, and China with global ambitions also including the Arctic. This edited volume provides an in-depth analysis of the many aspects of Sino-Russian relations in the Arctic. From the geopolitical implications, including consequences of the war in Ukraine, to infrastructure cooperation to environmental aspects, analyses are provided by top experts in their respective fields. The edited volume aspires to give a realistic picture of the Sino-Russian relationship, shared as well as conflicting interests, what is actually happening on the ground, what are driving forces and obstacles for cooperation, and importantly, how can the bilateral relationship in the Arctic possibly impact international relations.