George Henry Fox's 'A Practical Treatise on Smallpox' is a comprehensive and in-depth book that delves into the clinical aspects, prevention, and treatment of smallpox. Written with precision and clarity, Fox provides detailed descriptions of various smallpox manifestations, historical context, and practical guidance for healthcare professionals. The book reflects the scientific advancements and medical knowledge of the time, making it a valuable resource for understanding the disease and its management. Fox's literary style is authoritative and straightforward, offering a wealth of information in a concise manner. This treatise on smallpox serves as a significant contribution to the field of dermatology and infectious diseases. George Henry Fox, a prominent dermatologist and medical author of the 19th century, was driven by a desire to share his expertise and insights on smallpox with the medical community. His extensive experience and research in dermatology laid the foundation for this seminal work. I highly recommend 'A Practical Treatise on Smallpox' to healthcare professionals, historians, and anyone interested in the history and medical treatment of infectious diseases.