If I Ran for President - Several children imagine what it would be like to run for U.S. president, thinking about the fun parts, such as appearing on T-shirts and bumper stickers, and the work, including studying the nation's problems and debating issues.
This web site below has a wonderful packet to aid your students in learning about the branches of government, along with this book! http://www.gale.cengage.com/pdf/TeachersGuides/DemocracyTeachersGuide.pdf
Vote! By: Eileen Christelow This picture book uses a town's mayoral election to cover the steps in the voting process. It could be used as part of citizenship unit to teach young students about voting!