Heart Blossoms A Commentary and Analysis of the Exalted Mahayana Sutra on the Profound Perfection of Wisdom called the Heart Sutra
S. R. Allen
Here is a book you will appreciate even if you have read many Buddhist books. This book expounds the Dharma in a very lucid way and illuminates the Heart Sutra from Buddhism's apex of psychology and philosophy. This book is a sharp weapon useful for cutting the root of ignorance.