Ener-Chi Art 
Offers three books. It's Time to Wake Up, The Key to Health and Rejuvenation, and The Amazing Liver Cleanse.
http://www.ener-chi.comOrpheus Publications 
Ayurvedic and Naturpathic books from India.
http://www.angelfire.com/biz/orpheuspub/
Ayurvedic Books by Symptoms 
Several books written by Vaidya Mana Bajra Bajracharya. Allows download upon payment.
http://ayurvedicbooks.bajracharya.org
The Healer and the Drug Pusher 
A historical novel about Ayurvedic practice in ancient Sri Lanka.
http://www.saadhu.com/healer/
Forever Healthy 
An introduction to health care with self-care tips by Dr. Kumunda Reddy, M.D. Several chapters available online.
http://www.samhita.com