The Stone Age was a time of important human development. During this period, early human species began making stone tools. They lived as hunter-gatherers and formed early settlements. They created new art forms and technologies, paving the way for the next generations. The Stone Age explores how people lived during the period and how archaeologists continue to study Stone Age artifacts. Easy-to-read text, vivid images, and helpful back matter give readers a clear look at this subject. Features include a table of contents, infographics, a glossary, additional resources, and an index. Aligned to Common Core Standards and correlated to state standards. Core Library is an imprint of Abdo Publishing, a division of ABDO.