Study guides for the exams that change what comes next.

Be fully prepared for test day. Bolton Prep books give you plain English explanations, every official question, and full practice tests to help you walk in with confidence.

U.S. Citizenship Test Study Guide

Get everything you need to pass in one book: both versions of the civics test, the N-400 review, the English test, and 20 full practice exams.

USCIS currently uses two different tests depending on when you applied (one with 100 questions, one with 128 questions). This guide tells you exactly which one you need to study and prepares you for every step of the interview.

  • Both civics tests in full — the 100-question 2008 version and the 128-question 2025 version
  • Twenty full-length practice tests, plus a separate set for the 65/20 exception
  • Form N-400 explained section by section
  • Reading, writing and speaking practice for the English test
  • A complete interview simulation, from the greeting to the oath
  • A free companion website, and the audiobook in full for readers
Coming to Amazon Open the companion website

What's inside

The book is organized step-by-step. It starts by helping you find your correct test version and ends with a complete practice interview.

  1. Introduction
  2. 01 Determining Your Civics Test Version
  3. 02 Understanding Form N-400
  4. 03 Principles of American Government
  5. 04 System of Government
  6. 05 Rights and Responsibilities
  7. 06 American History
  8. 07 Symbols, Geography, and Holidays
  9. 08 The English Language Test
  10. 09 Companion Website
  11. 10 Civics Practice Tests (2008 Version)
  12. 11 Civics Practice Tests (2025 Version)
  13. 12 Civics Practice Tests (65/20 Exception)
  14. 13 Comprehensive Interview Simulation
  15. Appendix

The companion website

You can practice everything in this book on our website. Most of the online tools are completely free, and you do not even need to create an account.

Free for anyone

  • Flashcards for both test versions
  • The full question list, with every accepted answer
  • A read-aloud quiz that speaks each question to you
  • Printable flashcard PDFs

For readers of the book

  • The complete audiobook
  • Listen chapter by chapter
  • Unlock the audiobook with the access code found inside the book