The immensely popular 5 Steps to a 5: AP Biology guide has been updated for the 2021-22 school year and now contains:

• 3 full-length practice exams (available in the book and online) that reflect the latest exam
• Access to a robust online platform
• Hundreds of practice exercises with thorough answer explanations
• Practice questions that reflect multiple-choice and free-response question types, just like the ones you will see on test day
• Questions that represent a blend of fact-based and application material
• Proven strategies specific to each section of the test
• A self-guided study plan including flashcards, games, and more online