This high-yield, rapid-fire Q&A book simulates flashcards in a book to help medical students review microbiology and immunology for their course exams as well as prepare for the USMLE Step 1. It is also a great review for students in basic courses in other health-related programs. The book features an at-a-glance, two-column “flashcard” Q&A format, which reinforces familiar material, while accelerating mastery of commonly tested topics. The Q&As help readers efficiently absorb a large amount of pertinent information and streamlines study time by focusing only on the correct answers. Ideal for last-minute cramming, this quick-reference also enables students to pinpoint their weaknesses and strengths so they can fine-tune their preparation—and tackle the most difficult exam questions with confidence. •First and second year US and Canadian medical students in their basic science courses •Provides a flashcard experience with the convenience of a book •USMLE® -style vignettes deliver review material in a board-simulating clinical presentation  •Active recall questions allow readers to understand, not just memorize, the subject matter  •Clinical correlations of basic science help readers gear up for coursework and board exams •Compact and easy to carry for on-the-spot studying