There are many great books available to prepare for the USMLE exams. Here are some of the most highly recommended books:

First Aid for the USMLE Step 1: This is a comprehensive guide that covers all the important topics for the USMLE Step 1 exam. It includes high-yield information, mnemonics, and practice questions.

UWorld Qbank: This is a question bank that provides a realistic simulation of the actual USMLE exam. It includes detailed explanations of answers, and can be used to assess your strengths and weaknesses.

Pathoma: This is a book that covers pathology in a concise and easy-to-understand manner. It includes high-yield information, diagrams, and practice questions.
Kaplan USMLE Step 1 Lecture Notes: This is a series of books that covers all the topics on the USMLE Step 1 exam. It includes high-yield information, mnemonics, and practice questions.

Boards and Beyond: This is a video-based resource that covers all the topics on the USMLE Step 1 exam. It includes detailed explanations of concepts, diagrams, and practice questions.

Rapid Review Pathology: This is a book that provides a quick review of pathology concepts. It includes high-yield information, mnemonics, and practice questions.

High-Yield Anatomy: This is a book that covers anatomy in a concise and easy-to-understand manner. It includes high-yield information, diagrams, and practice questions.

Crush Step 1: This is a comprehensive guide that covers all the important topics for the USMLE Step 1 exam. It includes high-yield information, mnemonics, and practice questions.

Remember that no one book or resource can guarantee a passing score on the USMLE exams. It is important to use a variety of resources and study methods, including practice questions, self-assessment exams, and review courses, in order to prepare effectively.