Open Access Textbook

https://openstax.org/books/american-government-3e/pages/1-introduction

Areas of emphasis:

The Declaration of Independence: https://openstax.org/books/american-government-3e/pages/a-declaration-of-independence

The Constitution: https://openstax.org/books/american-government-3e/pages/b-the-constitution-of-the-united-states

Federalist Papers #10 and #51: https://openstax.org/books/american-government-3e/pages/c-federalist-papers-10-and-51

Electoral College Map: https://openstax.org/books/american-government-3e/pages/d-electoral-college-map

Selected Supreme Court Cases: https://openstax.org/books/american-government-3e/pages/e-selected-supreme-court-cases