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An unread, unused copy: no writing or highlighting, and no missing or damaged pages. Every book we sell is brand new, including our lowest-priced titles.
This book covers the scientific developments of the 19th century, the great age of the machine when factory chimneys rose above industrial towns. Manufacturers constantly improved technology to get a commercial advantage. Meanwhile, other scientists began to explore fundamental questions about the nature of humans and their ancestors. Fun features, such as sidebars and timelines, allow for multiple learning opportunities.