Kaplan Medical's <I>medEssentials for the USMLE Step 1</i> is an all-in-one reference book for first- and second-year medical students to supplement medical school curriculum. Students can also use this comprehensive guide to study for the USMLE Step 1. Structured by organ system, medEssentials for the USMLE Step 1 integrates important information across various disciplines in one manual.<P>This comprehensive guide:<P>* Provides a complete review of all core science concepts covered in medical programs and the USMLE;<P>* Complements both organ system and discipline-based curricula;<P>* Makes high-yield Step 1 information obvious with illustrated tables and bolded terms;<P>* Features a fresh new design.