About USMLE Step 1 Qbook:
   Are you ready for exam of the USMLE? USMLE Qbook from Kaplan Medical—the leading provider of test preparation for medical licensure—provides you with 850 high-yield exam-style questions, plus Kaplan Medical's highly effective test-taking strategies.
Features:
   ·Complete answer explanations for 850 exam-style questions.
   ·High-yield, exam-relevant topics.
   ·Powerful strategies to increase your score, effectively manage your time, and minimize stress.