"Differential Diagnosis of Internal Diseases" by Robert Hegglin, E. M. Tareyeva and N. P. Velmina is an indispensable guide for anyone who seeks to better understand internal diseases and their diagnosis. This publication is an extensive and systematic work that covers a wide range of diseases, their clinical manifestations and diagnostic methods. The book will become a reference for medical students, practicing doctors, as well as for anyone interested in medicine and wants to expand their knowledge in the field of diagnostics. From the first pages of the reader plunges into the world of medical science, where every symptom, every complaint of the patient becomes the key to solving a complex puzzle called a diagnosis. The authors, possessing rich experience and deep knowledge in the field of medicine, offer the reader not just a set of facts, but a whole methodology that allows you to systematize information and approach diagnostics from a scientific point of view. The book covers both general diagnostic principles and specific aspects of various diseases, making it a universal tool for professionals. One of the key topics raised in the book is the importance of differential diagnosis. In conditions where symptoms can overlap between different diseases, the ability of the doctor to accurately determine the cause of the ailment becomes critical. The authors focus on how important it is to take into account not only physical symptoms, but also psychosocial aspects that can affect the patient's health. This makes the book especially relevant in light of current trends in medicine, where a holistic approach to the patient is becoming increasingly important. The book will be of interest not only to professional doctors, but also to students of medical faculties who are just starting their way in the world of medicine. It can be a basis for study, as well as a useful guide at the practice stage. Readers interested in medicine will be able to find in it many useful recommendations and examples that will help to better understand the complex mechanisms of diseases. The style of the authors is distinguished by clarity and accessibility, which makes it easy to assimilate even the most complex concepts. Each section of the book is illustrated with examples from practice, which makes the material more clear and understandable. The authors seek not only to convey knowledge, but also to inspire the reader to further study medicine, which makes the book not just a textbook, but a real guide to the world of internal diagnostics. If you are looking for literature that will help you understand the intricacies of diagnosing internal diseases, “Differential diagnosis of internal diseases” will be a real find for you. This publication is ideal for general practitioners, therapists, as well as students seeking a deep understanding of their profession. The book will also be useful for those who are interested in medical sciences and want to expand their knowledge in the field of diagnostics. Do not miss the opportunity to immerse yourself in the world of medicine with this wonderful book, which not only teaches, but also inspires further research and practical application of the knowledge gained. With “Differential diagnosis of internal diseases” you will be able to confidently step into the world of medical practice, armed with the necessary knowledge and skills for successful work.