This is **"Horton Biochemistry, 5th Edition"**, a long-standing and popular textbook for biochemistry. It is systematically structured to allow learning from the basics to advanced topics, and is useful for studying a wide range of fields such as medicine, pharmacy, biology, and nutrition. With many figures and structural formulas, it is also ideal for specialized study, exam preparation, and research. ● Writing/Marking: None found in the areas I checked. ● Page folds/tears: None ● Both the cover and the main body have only minor scuffs, and are in very clean condition overall. (Any concerns are shown in the photos) ※ Please forgive any oversights as this is a used item. It will be carefully packaged with waterproof measures and shipped immediately or the next day. Recommended for those looking for a "Horton Biochemistry" in good condition.