The Seven Books of Paulus Ægineta, Volume 3 (of 3), is the concluding part of a monumental medical compendium authored by Paulus Ægineta, a renowned Byzantine physician of the 7th century. This comprehensive work, translated and annotated by Francis Adams, stands as one of the most significant sources of medical knowledge from antiquity, bridging the gap between Greco-Roman and later Islamic and European medical traditions. Volume 3 delves into the final sections of Paulus’s encyclopedic treatise, focusing on a wide array of medical topics, including pharmacology, toxicology, and the treatment of various diseases and conditions. The text is meticulously organized, offering detailed descriptions of symptoms, diagnoses, and therapeutic methods, often referencing the works of earlier authorities such as Hippocrates, Galen, and Dioscorides, while also incorporating Paulus’s own clinical observations and innovations. This volume is particularly notable for its extensive coverage of pharmacological substances, both simple and compound, providing recipes, dosages, and indications for their use. It also addresses the management of poisons and antidotes, reflecting the era’s concerns with toxicology. The translation by Francis Adams is enriched with scholarly notes and commentary, elucidating obscure terms, contextualizing ancient practices, and drawing connections to contemporary medical knowledge. The Seven Books of Paulus Ægineta, Volume 3, is an invaluable resource for historians of medicine, classicists, and anyone interested in the evolution of medical science, offering a fascinating glimpse into the medical understanding and practices of the Byzantine world.