An excellent well writen book in plain english, utilizing 'scientific jargons' only when necessary, and will thus be difficult to drop until the last page, even by people outside the field of medicinal sciences. It reviewed current literature in the fields of cardiovascular physiology, cardiovascular pharmacology, blood pressure, heart rate, medicinal plants; provides detailed methodology on how to assess the effect of medicinal plants in small animals, discusses the results obtained from some investigations carried out by the researcher; consequently suggesting possible mechanisms by which one of such medicinal plants can be effective in the treatment of cardiovascular diseases.