Orchids are a very fascinating group of plants from a botanical as well as a horticultural point of view. They are among the most advanced ﬂowering plants, showing an incredible range of diversity in shape, size, and colour of their flowers. Orchids of Nainital: Western Himalaya documents all known species of orchids occurring in and around Nainital, a hill station in the Indian state of Uttarakhand. The book covers 44 genera and 87 species based on ﬁeld exploration as well as literature. All these species are put in three subfamilies. The species are arranged alphabetically and for each species, this guide provides the scientiﬁc name, a brief description, and information on phenology, habitat, and local and global distribution.