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Cover of Mystery on the Transcontinental Railroad

Book #1: Mystery on the Transcontinental Railroad

Dangerous Jobs in Action

Documenting U.S. History

Do You Know The Continents Searchlight

Famous Firsts

Geology Rocks!

History of Science

History of Science

History's Greatest Disasters

Instruments Around the World

Kidhaven Science Library

Native Pollinators

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Profiles in Science

Science in the Real World

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