I Am Brahman: As Defined By The Upanishads (I Am Consciousness Book 2)

The Aitareya Upanishad 101: an original translation, in modern language, made plain and simple (The Ancient Hindu Enlightenment Series Book 4)

The Wisdom of Adi Shankaracharya: Nonduality, Liberation, and the Eternal Self

The Two Hands of God: The Myths of Polarity

Prepare To Awaken: As Defined By The Upanishads (I Am Consciousness Book 3)

Encyclopedia of Indian Scriptures: 2000 Question & Answers - Simple Guide to Essence of Vedas, Upanishads, Puranas, Epics, and Temples

Nachiketa: The Child Who Refused Heaven

I Am Not: My Personal Journey (...Into the Unknown): The Pathless Path: Part 5 (The Pathless Path: A Sacred Journey Through Love, Wisdom, and Service... into the Unknown)

Siddhi Chalisa of Indian Gods book (Cosmic codes)

The Philosophy of the Upanishads (Classic Reprint)