The "Operating Policies and Procedures Manual for Medical Groups" by Bette A. Warn, published by Medical Group Management Association (MGMA) in 1999, is a comprehensive textbook for medical practice management and reimbursement. This trade paperback book covers various subjects related to medical practices and procedures in an informative and practical manner. With a strong focus on the subject area of medical practices, this manual provides valuable insights and guidance for professionals in the healthcare industry. It is a valuable resource for those looking to enhance their knowledge and skills in medical practice management.