The present work provides the first complete annotated translation into English of the Chinese version of Dharmatrata's fourth century Samyuktabhidharmahrdaya. Samyuktabhidharmahrdaya (Heart of Scholasticism with Miscellaneous Additions) is the last of a series of expository treatises that summarised the Sarvastivada philosophy as it was prevailing in Bactria and Gandhara and that were based on Dharmasresthin's Abhidharmahrdaya. The next work in the series, ...