Title: Cities of the Dead: Finding Lost Civilizations (24/7: Science Behind the Scenes)
Subjects: Ancient Civilization, Fieldwork, Antiquities, Extinct cities, Lost continents, Excavations (Archaeology), Juvenile literature, Archaeology, Children: Grades 3-4, Civilization, ancient, Civilization, juvenile literature, Extinct cities, juvenile literature, Excavations (archaeology), Archaeology, juvenile literature