Make sure you’re studying with the most up-to-date prep materials! Look for the newest edition of this title, <i>Princeton Review AP Computer Science A Prep, 2021 </i>(ISBN: 9780525569497, on-sale August 2020).<br> <br>Publisher's Note: Products purchased from third-party sellers are not guaranteed by the publisher for quality or authenticity, and may not include access to online tests or materials included with the original product.