Finland and the Baltic Sea: A Millennium of Trade, Power, and Exchange by Adrian E. Markham offers a sweeping history of Finland’s deep and enduring relationship with the inland sea that has shaped its destiny. From Stone Age mariners weaving through the archipelago to modern icebreakers clearing winter routes, Markham shows how the Baltic has always linked Finland to the wider world. The book traces early trade networks, shifting alliances, and the interactions of Finns, Sámi, Swedes, Balts, and Russians across a shared maritime landscape. Markham explores the rise of medieval towns, the ambitions of the Swedish and Novgorodian realms, the influence of the Hanseatic League, and the crucial role of shipbuilding, fisheries, and coastal fortresses in Finland’s development. Moving into the modern era, he examines industrial expansion, steam power, and the transformation of ports such as Turku, Helsinki, and Kotka. The world wars reshape the Baltic again, bringing minefields, submarine threats, and disrupted trade. The narrative concludes with today’s Baltic: environmentally fragile yet globally connected, shaped by advanced navigation, modern icebreaking, and scientific research. Clear, engaging, and richly detailed, Finland and the Baltic Sea provides a compelling introduction to the forces that forged Finland’s maritime identity and its place in the northern world.