US Armed Forces. Monsoon Monsoon: The Indian Ocean and the Future of American Power (2010) is about the Indian Ocean region and the future of energy supplies and maritime trade routes in the 21st century. He claimed that the Indian Ocean has been a center of power for a long time and that the shift to the Atlantic can be seen as an anomaly which will be set straight in future years. For the United States to maintain its power, it would have to link its goals with those of the people of the developing world, he concluded. The Revenge of Geography The Revenge of Geography: What the Map Tells Us About Coming Conflicts and the Battle Against Fate (2012) describes how countries' respective political and social histories have been shaped by factors like relationship to the ocean and to terrain features that act as natural borders. The book also focuses on how demographic shifts in countries will affect them in the future. Asia's Cauldron Asia's Cauldron (2014) describes the modern (from the colonial era to the present) cultural and political history of the various countries of Southeast Asia (such as Singapore, Vietnam and the Philippines) and the region's geopolitical significance to China, as well as those states' resultant anxiety over Chinese maritime territorial claims in the region. In Europe's Shadow In Europe's Shadow (2016) is one of Kaplan's most personal examinations of the influence of geography and civilization on politics and history. Informed by his travels to the Balkans since the 1970s, Kaplan links Romania's contemporary political and social reality to its complex identity and history. While the book echoes many of Kaplan's earlier historical travelogues, it looks ahead to the challenges Europe will face by examining Romania as a microcosm of Europe's coming geopolitical crises. The Return of Marco Polo's World The Return of Marco Polo's World: War, Strategy, and American Interests in the Twenty-first Century (2018) is a collection of Kaplan's post-2000 essays on the evolving system in Eurasia. Commissioned by the Pentagon's Office of Net Assessment, the book's lead essay draws parallels between Eurasia's contemporary emergence as a single "battlespace" to its 13th century geopolitics, when China last constructed a land bridge to Europe. The book's other essays, published over the years in a range of analytical and journalistic sources, delve into themes such as technology, globalization, and the misguided application of military power. Together, they