First Aid for the USMLE Step 3 Fourth Edition. By Tao Le, Vikas Bhushan, James   Yeh, Kachiu Lee.  This book is a student guide to a complete, updated, comprehensive review for the new USMLE Step 3,  it has high-yield topics and CCS -Style mini-cases that emphasize the “next step” inpatient management. Vignette-style flashcards test your application of knowledge.  New basic science correlations prepare you for foundational science questions.