[NB: The 2nd edition of this book is entitled "Self-Assessment: 650 BOFs for MRCP(UK) and MRCP(I) Part I" and was published in January 2017. Please buy and use this 2nd edition.] Self-Assessment for MRCP(UK) Part 1 tests the candidate's level of knowledge with respect to internal medicine (and its sub-specialties). It provides 650 questions with their comprehensive explanation. This book helps doctors prepare for the membership diploma of the Royal Colleges of Physicians of the United Kingdom and Ireland. The author is Osama S. M. Amin, a board-certified neurologist. Dr. Osama S. M. Amin is an associate professor of neurology, consultant neurologist, and Fellow of the American College of Physicians and the Royal Colleges of Physicians of the United Kingdom and Ireland.