The book entitled " Rheology of essential oils and animal fat" is structured in 13 chapters and includes the rheology of essential oils, animal fat and vegetal oils. Chapter 1 includes all herbs with coverage, description, use. Chapters two and three include the chemical composition of medicinal plants, pharmacodynamic action, contraindications, precautions, side effects and / or side effects and products. Chapter 4 covers the rheology of medicinal plants. The following chapters include animal and vegetable fats as well as commercial fats. Chapters 12 and 13 cover the rheology of animal fats and the rheology of plant fluids.