The Seven Books of Paulus Ægineta, Volume 1 (of 3), is a foundational medical text from the 7th century, authored by the renowned Byzantine physician Paulus Ægineta. This comprehensive work, translated and annotated by Francis Adams, offers an in-depth exploration of ancient medical knowledge and practices, serving as a vital link between Greco-Roman and later Islamic and European medicine. Volume 1 covers the first three books of Paulus’s treatise, delving into general medical principles, hygiene, dietetics, and the treatment of various diseases and conditions. The text is notable for its systematic approach, blending the wisdom of Hippocrates, Galen, and other classical authorities with Paulus’s own clinical observations and practical experience. Rich in historical context, the volume provides detailed descriptions of symptoms, diagnoses, and therapeutic methods, including the use of medicinal plants, surgical procedures, and dietary regimens. Adams’s translation is accompanied by extensive notes and commentary, illuminating the significance of Paulus’s contributions and the evolution of medical science. This volume is an invaluable resource for historians, medical professionals, and anyone interested in the origins and development of Western medicine, offering a fascinating glimpse into the medical knowledge and practices of the early Byzantine era.