In the beginning of the book, there are chapters describing variability in drug activity, chemotaxonomy, microscopic techniques, natural allergens and marine compounds. Individual chapters have been included for steroids, vitamins, mycotoxins, heavy metals in herbal preparations, formulation of plant extracts into doses forms, trade and market for herbs, hallucinogenic and teratogenic plants and mushroom cultivation, aromatherapy and health food. A chapter on herbal cosmetics describes the vegetable drugs used in skin diseases, wound healing, nail and hair care and dental abnormalities. Separate chapters describe adaptogenic, antibacterial, antiviral, antidiabetic, analgesic, anticancer, cardiovascular, antifertility, hepatoprotective, antihuman immunodeficiency, viral, antiprotozoal and immunomodulator acting herbal drugs. A chapter on tissue culture focuses the techniques involves for the production of secondary metabolities. Isolation of natural products by various chromatographic techniques with suitable examples is presented. The last chapter is devoted to cultivation of about 37 medicinal plants. Each chapter covers general information.