Sacagawea is a well-known Native American because of her role as a guide and interpreter during the Lewis and Clark Expedition. But much of her life is unknown. In this volume, readers explore the history of Sacagawea and the Lemhi Shoshone people, learning how she and her tribe were changed by Europeans arriving on their land. Readers also learn about Sacagawea's influence on United States history through achievable language and details, as well as fact boxes. Historical images and a concluding timeline bring Sacagawea from legend to life.