I Am Not the Body
Edited by Pradeep Apte. A very nice collection of quotes from Ramana Maharshi's disciples
Muruganar and Annamalai Swami.
The Mahageeta, Volume 1
By Osho. Also known as Enlightenment: The Only Revolution. Includes commentary on the Ashtavakra Gita.
By Sri Ramana Maharshi. Also known as 40 Verses on Reality.
Guru Vachaka Kovai
By Sri Muruganar and Sri Ramana Maharshi. Translated by Sadhu Om and Michael James.
Also known as Crest Jewel of Discrimination, Crest Jewel of Discernment,
and Crest Jewel of Wisdom. Traditionally attributed to Sankara. Translated by Achyarya Pranipata Chaitanya.
Includes Sanskrit text, gloss, and English translation.
Free Books By or About Nisargadatta
I Am That
By Sri Nisargadatta Maharaj and Maurice Frydman.