This mixed lot of Harrison's Principles of Internal Medicine volumes 1 and 2 is a comprehensive textbook for internal medicine professionals. It features contributions from renowned authors such as Dan Longo, Anthony Fauci, Dennis Kasper, Stephen Hauser, and J. Larry Jameson. The book has 4012 pages and is published by McGraw-Hill Professional Publishing.

It is an updated version with ISBNs 9781259644030 and 9781264268504, and was published in 2011 in English language. The book has dimensions of 11.1 inches in length, 8.8 inches in width, and 4.2 inches in height. This textbook is ideal for medical practitioners and students who want to expand their knowledge in internal medicine.