The Girl Explorers: The Untold Story of the Globetrotting Women Who Trekked, Flew, and Fought Their Way Around the World: The Untold Story of the Globetrotting Women Who Trekked, Flew, and Fought Their Way Around the WorldJayne Zanglein4
David Livingstone: Unveiling the African Adventures and Missionary Journeys of a Victorian ExplorerC. Silvester Horne4