The time-tested, most popular board prep resource―updated to reflect the newest Step 1 exam First Aid for the USMLE® Step 1 is a veritable blueprint for preparing for this critical exam, revealing all the content you will encounter on test day. This unmatched text is written by carefully chosen students who excelled on the Step 1 exam and reviewed by top faculty―ensuring the content is relevant, high-yield, and accurate. The book is organized and formatted in ways that help you easily home in on the most important content. The new edition of First Aid for the USMLE® Step 1 is filled with over 1,000 color clinical images, including more depicting diverse patients; 1,300+ high-yield facts and mnemonics, organized by basic principles and organ system; and invaluable test-taking advice. There’s a reason for the longstanding success of First Aid for the USMLE® Step 1. Once you open the 2026 edition, you’ll instantly understand why it’s a resource you can’t be without!