Dear Young Doctor, You are nearing the end of your formalized test-taking after so many years of education. We want to help you pass your boards and these books were written for that end. This review of internal medicine is not an exhaustive treatise, but serves as an example of learning points considered important throughout the years. You will run into the same patients on this examination, the internal medi­ cine specialty boards, and the medicine sub- specialty boards should you choose to take them. Our US healthcare delivery system is undergoing major transformation, which has become frenetic since the first edition of this series was