I don’t know if the online is available or not

The Princeton Review's "Essential SAT Vocabulary 500 Must-Know Words" is a comprehensive textbook designed to help boost SAT scores through a focus on essential vocabulary words. Published by Random House Children's Books in 2017, this 2nd edition features flashcards and online access to 500 vocabulary words. Aimed at adult learners and those in further education, this advanced-level study aid is part of the College Test Preparation Series and includes a box set of cards for easy study and review. The book covers a range of subjects related to language arts and disciplines, making it an invaluable resource for students looking to excel on the SAT.