Shelly Buchanan 
Our Government [PDF ebook] 
The Three Branches

Introduce students to the structure of the United States government with this high-interest nonfiction book. Students will build literacy skills and social studies content knowledge as they learn about the three branches of government and the purpose of this separation of powers. Primary source images, supporting text, a glossary, table of contents, and index all work together to engage readers and help them better understand the content.