The product is the Twenty-Second Edition of Harrison's Principles of Internal Medicine, comprising two volumes. Published in 2025 by McGraw-Hill Medical Publishing Division, this textbook is authored by J. Larry Jameson, Stephen Hauser, Anthony S. Fauci, Dennis L. Kasper, and Dan Longo. It covers the subject area of Internal Medicine and is written in English. This international edition includes a mixed lot format and is an essential resource for medical students, professionals, and anyone interested in the field of internal medicine.