There are many helps for people with arthritis. The National Arthritis Foundation can be reached at http://www.arthritis.org. The Arthritis Foundation puts out a good magazine called Arthritis Today. The magazine and information on arthritis are available on-line at http://www.arthritisfoundation.com.
The National Institutes of Health (http://www.nih.gov)
has information on many diseases and conditions, including arthritis. Once you go to the home page, type in 'knee osteoarthrits' in the SEARCH box.
An excellent book often available at your public library is Arthritis: Pain Free, Side Effect Free. Written by Dr. Howard Kaye, this book is easy-to-read and offers practical advice about managing the symptoms and the disease.