This book is an exhaustive study on Tantric Buddhism touching upon all aspects of the religion as it evolved through centuries. The introductory chapter describes the meaning of the Tantras, their antiquity and the emergence and growth of Tantric Buddhism. The difference between the Hindu Tantras and the Buddhist Tantras have also been outlined. The subsequent chapters study the Tantric trend in Buddhism, different aspects of Tantric Buddhism, some prominent siddhacaryas, Tantric literature, gods and goddesses and the impact of Tantric Buddhism on the literature and social life of the people of this soil. This book is particularly valuable for its scholarly exposition of the origin and development of Tantric Buddhism. It is a well-researched and documented work supplemented with carefully chosen photographs. Written in lucid, dignified and absorbing style, this book will prove both stimulating and informative to the scholars and even to the general readers.