Tunnels (21st Century Junior Library Extraordinary Engineering Series)

Tunnels  (21st Century Junior Library Extraordinary Engineering Series)

The 21st Century Junior Library Extraordinary Engineering series explains how important feats of engineering are accomplished. Tunnels examines the engineering concepts that make these important structures possible. Sidebars encourage readers to engage in the material by asking deeper questions or conducting individual research. An activity, full color photos, a glossary, and a listing of additional resources all enhance the learning experience.--from the publisher

24 pages    978-1634722995    Ages 6-9

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