Engineering that made America

Gives readers a behind-the-scenes look at the building of the Golden Gate Bridge. Additional features include a table of contents, a Fast Facts spread, critical-thinking questions, primary source quotes and accompanying source notes, a phonetic glossary, an index, and sources for further research.-- amazon.com.

Looks at the process of building the transcontinental railroad to connect the eastern and western parts of the United States.

Looks at the development of the assembly line, which changed not only the automotive industry but all industries.

Gives readers a behind-the-scenes look at the invention of the cotton gin. Additional features include a table of contents, a Fast Facts spread, critical-thinking questions, primary source quotes and accompanying source notes, a phonetic glossary, an index, and sources for further research. -- amazon.com.