This is the first complete, critical English translation of the Cakrasamvara Tantra, also known as the Sriherukabhidhana and Laghusamvara. Composed in India during the eighth century, this text is a foundational scripture of one of the most important Indian Buddhist tantric traditions, as evidenced by the vast number of commentaries and ritual literature associated with it. The author's introductory essay provides an analysis of the historical and intellectual contexts in which the text was composed, and also investigates the history of its adaptation by Buddhists. The translation itself is heavily annotated, with extensive translations from the Indian and Tibetan commentaries on the text. Includes a trilingual glossary and index. Published by American Institute of Buddhist Studies (AIBS)