The Barron’s Test Prep Ser.: AP Chemistry with Online Tests, 9th ed. is a comprehensive study guide designed for advanced students studying chemistry. Published by Kaplan Publishing, this 738-page trade paperback includes revised content and features online tests for added convenience. Authored by Pamela Kerrigan and Neil D. Jespersen, this study aid focuses on the subject area of chemistry and is tailored towards students preparing for Advanced Placement exams. With a publication year of 2018, this book serves as an essential resource for those looking to excel in their chemistry studies.