The book provides a rich historical context for each expedition, examining the social and political climates, available technologies, and scientific knowledge of the time. The book progresses chronologically and thematically, beginning with the voyages of Zheng He and moving through the European Age of Discovery, including Columbus's transatlantic journeys, up to 19th and 20th-century explorers like David Livingstone and Roald Amundsen.
By drawing upon primary sources and secondary scholarship, World Explorers offers a balanced and critical perspective on the age of exploration, avoiding simplistic narratives while highlighting the enduring legacy and relevance of exploration in our interconnected world.