The following books are recommended by doctors already passed the USMLE examination for step 1 preparation. (click on any image to buy securely from Amazon)

First Aid for the USMLE Step 1 : 2004 this is the only student-to-student review book that provides facts and strategies from medical students who had previously taken the exam. The book contains over 900 frequently tested facts and mnemonics, 24 pages of high-yield color images similar to those on the exam, more than 100 clinical vignettes, and a completely revised rating of over 300 basic science review products.

NMS Review for USMLE Step 1 (Book with CD-ROM) Helps in preparation for the USMLE Step 1 by reviewing all major content areas covered on the exam. Reader becomes acquainted with current exam format and learns where further study may be needed. Bonus CD with USMLE format questions.

Appleton & Lange Review for the USMLE Step 1 This is a complete guide to the seven subjects covered on the USMLE Step 1, including anatomy, physiology, biochemistry, microbiology, pathology, pharmacology, and behavioral sciences. The book features over 1,200 exam-type questions, answers with detailed rationales, and two integrated practice tests.

Cracking the Boards: USMLE Step 1 This guide offers a thorough review of all topics covered in the first two years of medical school. Written by past and present medical students, this text presents the material in a clear and accessible manner.

Appleton & Lange Review for the USMLE Step 1 Provides a comprehensive review of the basic sciences and self-assessment tool for exam preparation. A total of 1,200 questions, with answers, are included. Also includes a practice test of 300 questions.