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.