Tunnels by Joanne Mattern
(Engineering Wonders)

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Thousands of years ago, ancient engineers came up with a way to cross obstacles that prevented peopl....

About Joanne Mattern

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After working as an editor for several major children's book publishers, Joanne Mattern became the author of numerous nonfiction books for children. She especially loves writing about animals, sports, and interesting people and places. She lives in New York State with her husband, four children, and assorted pets.
Published August 1, 2015 by Rourke Educational Media. 48 pages
Genres: Education & Reference, Children's Books.