Book excerpt: In this book the facts and principles on which you will be tested, hones your test-taking skills, and reveals your strengths and weaknesses by exam topic. Based on the exam outline published by ARDMS, it contains more than 570 registry-like questions together with instructive illustrations, answers, clear explanations, and quick references for further study. A new Hall of Images and more than 50 image-based cases prepare you to tackle the images on the exam.