Book excerpt: Plants are a source of bioactive compounds that act as important components in medicines. The Himalayan region especially has been found to be brimming with medicinal plants that have the potential to prevent as well as cure a number of diseases. This new book, Himalayan Medicinal Plants for the Treatment of Depression: A Source of Rich Antidepressant Agents, presents research on the importance of bioactive compounds derived from Himalayan plants, focusing specifically on their beneficial antidepressant activities. The volume discusses a wide range of Himalayan plants, vegetables, fruits, flowers, mushrooms, grains, beans, nuts, spices, beverages, roots and tubers, and even microalgae, along with their traditional applications, chemical compositions, and antidepressant effects with the help of scientific literature. The book explores how bioactive compounds from Himalayan botanicals and foods can alleviate depression ailments. It documents the traditional uses, phytochemicals, and biological applications in terms of antidepressant agents in a systematic manner. The new volume sheds a bright light on the antidepressant potential of the rich source of plants of the Himalayas. The documented information presented here will be valuable to researchers for new drug discovery and for knowledge for isolating and purifying novel compounds from Himalayan botanicals as a cure and treatment for depression.