The book “Internal Medicine 6th Edition Volume 1” is a comprehensive guide that covers various aspects in the field of internal medicine. This sixth edition has been updated with the latest information and methods in the diagnosis and treatment of diseases. Led by editor-in-chief Siti Setiati and a team of experts, this book offers in-depth discussions on the pathophysiology, epidemiology, and clinical management of various diseases. Designed for medical students, residents, as well as medical practitioners, the book is equipped with illustrations, tables, and graphs that support further understanding. The use of clear and systematic language makes this book an important reference in exploring the science of internal medicine.