A great place to locate good, inexpensive books for the classroom by typing in an address to find out about book sales in your area.
Just browsing through this catalog can give you a dozen good ideas for the classroom. Products are categorized by subject area and "top tens."
Learning Network Store
This site is a one-stop shop for books, videos, software, and educational toys. Search for items based on subject area, grade level, keyword, or product type.
You'll find many supplies for every creative endeavor in your classroom, and you don't have to be an art teacher to find great buys here.
Find teacher supplies and classroom materials for sixth through ninth grades at this site. The search tool allows you to browse by grade level so you can spend your time looking at age-appropriate items for your classroom.