The product is the twenty-second edition of "Harrison's Principles of Internal Medicine" by a team of renowned authors including J. Larry Jameson, Stephen Hauser, Anthony S. Fauci, Dennis L. Kasper, and Dan Longo. Published by McGraw-Hill Medical Publishing Division in 2025, this textbook covers essential topics in internal medicine in a mixed lot format. The international edition features comprehensive content in English, making it a valuable resource for medical students, professionals, and anyone interested in the subject area.