Check with the American Dietetic Association which is based out of
Chicago. They should have several listings of many good reference
books. Also, if you have a local college that has a nutrition
course, you may be able to pick up a good textbook from them.
Bowes and Church is a reference book listing actual food values.
If you are interested in a certain product, write the manufacturers
for nutrition information. Many fast food places also have break
downs on the contents of their food. Good luck, Sue R.D.