Title: Secrets underground
Description: In Secrets Underground, history buff Elizabeth MacLeod introduces readers to a fascinating world. Learn about the Civil War secrets carefully concealed in Organ Cave, West Virginia, the top-secret equipment that lies deep below Grand Central Terminal in New York City, the network of tunnels in Moose Jaw, Saskatchewan, that once hid victims of persecution, and much more. MacLeod explains how these lost and hidden subterranean passages, spaces, and caves answer decades-old puzzles, help us understand our own past, and lead us to discover what life was really like in eras gone by.
Subjects: Underground areas, Underground construction, Ouvrages pour la jeunesse, Histoire, Zones souterraines, Tunnels, Constructions souterraines, Caves, Juvenile literature, Hiding places, History, Caves, juvenile literature, Civil engineering, juvenile literature, Land use, Land use, juvenile literature, North america, history, North america, juvenile literature, Tunnels, juvenile literature
Places: North America, Amerique du Nord