US: temporary delays — postal services aligning new import rules, 
Europe: 1–2 weeks, 🌍 Worldwide: 1–4 weeks ✈️Loading...
McGraw-Hill, 2025
This resource serves as a comprehensive guide for preparing for the USMLE Step 1 exam, covering all expected content. Written by students who achieved high scores and reviewed by faculty, the material is focused on relevance, accuracy, and high-yield information. The book is structured to facilitate easy access to the most critical information.