Prescription for Natural healingJames F. Balch, M.D. – Phylis A. Balch CNC – Penguin Putnam Inc. New York 2000

Dr. Christopher's Guide to Colon Health John R. Christopher, M.H. N.D. – Christopher Publications, Springville, UT. 2003

Edgar Cayce's Guide to Colon Care Sandra Duggan, R.N. – Inner Vision Publishing Co., Virginia Beach, VA. 1971, 1993

The Second Brain Michael D. Gershon M.D. – Harper Collins Publishers, New York, NY. 1998, 2003

IBS: A Doctor's Plan for Chronic Digestive Troubles Gerald Guillory M.D. – Hartley Marks, Pointe Roberts, WA. 19991

Colon Hygiene Kellogg, J. – Good Health Publishing Co., Battle Creek, MI. 1915

The Tipping Point – How little things can make a big difference. Malcom Gladwell – Back Bay Book/Little, Brown & Co., New York, NY., 2002

The Detox Diet Elson M. Hass, M.D. – Celestial Arts Publishing, Berkley, CA. 1996

Atlas of Human Anatomy Frank H. Netter M.D. – Icon Learning Systems, LLC Teterboro, NJ. 1989,1997, 2003

Netter's Atlas of Human Physiology Frank H. Netter – Icon Learning Systems, Teterboro, NJ. 2003

Netter's Gastroenterology Frank H. Netter – Icon Learning Systems, Carlstadt, NJ. 2005

Detoxification Linda Page N.D., PH.D. – Healthy Healing Publishing, Carmel Valley, CA. 1999

Gastrointestinal Health Tonia Reinhard, M.S. R.D. – McGraw/Hill New York, NY. 2002

Crohn's Disease & Ulcerative Colitis Fred Saibil, M.D. – Firefly Books, Buffalo, NY. 1997

Gut Solutions Lenord Smith M.D. Brenda Watson N.D. Renew Life Press & Information Services, Clearwater, FL. 2003

Renew Your Life Brenda Watson N.D. C.T. – Renew Life Press & Information Center, Clearwater, FL. 2002