Maria Nelson 
La vida de Sacagawea (The Life of Sacagawea) [PDF ebook] 

The gold dollar coin bears the image of one of the most famous Native Americans in U.S. history; Sacagawea. Though much of her life remains a mystery, this book explores the story of this extraordinary woman who helped Lewis and Clark explore the American West. Age-appropriate language and content will help beginning readers understand this fascinating time in American history and introduce them to Sacagawea”s captivating story. Exciting photographs help draw readers in, and a timeline of important events will reinforce what they”ve learned.