The book entitled, "Diversity of the genus Gaultheria L. (Ericaceae) in India" provides a detailed taxonomic revision of the genus Gaultheria L. in India including 22 species, of which 3 are new to science. Most of these species are common to its neighbouring countries viz., Nepal, Bhutan, Sri Lanka, China and Myanmar. Therefore, it is helpful to these countries also. An artificial key to the species is also provided for easy identification in the field as well as in the herbarium. Each species is provided with a detailed taxonomic citations incl. types, distribution and status as well as exomorphological,anatomical and pollen-morphological descriptions. Besides, the book provides first hand ethno-medicinal mostly new information based on more than 20 ethnic groups along with Endemic and Threatened taxa and their conservation approaches.The book aims at providing a detailed comprehensive information of Indian Gaultheria L.(mostly Himalayan)to the students and researchers in the field of Plant science branches like Plant Taxonomy, Morphology, Biosystematics, Ethnobotany, Ethnopharmacology, Medicinal plants, Forestry, Biodiversity & Conservation, Bioprospection & Field Ecology.