Echoes From an Empty Sky - The Origin of the Buddhist Doctrine of the Two Truths — by John B. Buescher
For the first time, eschews an exclusively Mahayana standpoint for the exploration of the two truths in order to examine the doctrine in the context of the Hinayana.
Visuddhimagga - The Path of Purification - The Classic Manual of Buddhist Doctrine and Meditation by Buddhaghosa
One of Buddhism's foundational texts, a systematic examination and condensation of Buddhist doctrine and meditation technique.
Seven Works of Vasubandhu - the Buddhist Psychological Doctor - by Stefan Anacker
The seven treatises presented here are complete works with a most varied range of topics and serve at least as an introduction to his thought.
A Comprehensive Manual of Abhidhamma - The Abhidhammattha Sangaha of Acariya Anuruddha — by Bhikkhu Bodhi
This is the classical introduction to the study of Abhidhamma - the Buddhist philosophy of mind and mental processes.
Gateway to Knowledge - The Gate for Entering the Way of a Pandita — by Jamgon Mipham
A condensation of the Buddhist Canon and its accompanying commentaries. Consolidating the intent of Buddha Shakyamuni's teachings into a unified body of text books, it is the philosophical backbone of the living tradition of Tibetan Buddhism.
Indo-Tibetan Classical Learning and Buddhist Phenomenology — by Jamgon Kongtrul - The Treasury of Knowledge - Volume 4
Concisely summarizing the theoretical fields of knowledge to be studied prior to the cultivation of reflection and discriminative awareness.
Myriad Worlds — by Jamgon Kongtrul - The Treasury of Knowledge - Volume 1
Describes four major cosmological systems found in the Tibetan tradition - those associated with the Hinayana, Mahayana, Kalachakra and Dzogchen teachings - each more subtle and profound than the last.