Thoroughly revised and updated for its 2015 Edition with the help of the physician educators of Doctors in Training.com, LLC, Step-Up to USMLE Step 1 delivers comprehensive, systems-based review for the USMLE Step 1 exam. The book has been wide�ly acclaimed for its organization, which parallels the USMLE Step 1 content outline and helps students synthesize the information from their basic science courses. The popular, user-friendly format features numerous charts and diagrams, plus Quick Hits notes in the margins that help students integrate concepts across systems. The 2015 Edition includes a dedicated new chapter on Immunology. In addition, each chapter provides clinical vignettes, pharmacology as integrated into the systems-based format, and popular Crunch Time Review sections. CLASSIC Features students swear by: -Full-color interior design delivers content in a rousing, memorable style. -Full-color art program illustrates concepts when a picture says it best. -Complete coverage of high-yield topics ensures that students are test ready. -Clinical Vignettes allow the reader to "file away" clinical medicine connections for handy retrieval at test time. -Quick Hits in the margins highlight testable materials. -Crunch Time Review identifies essential content to facilitate last-minute study. -Drug and Bug Index enables quick reference. BONUS Material: -350 USMLE-style questions online allow for self-assessment and practice for the exam.