Contact your local library and ask if they have by-the-pound sales. Some library systems hold regular by-the-pound sales to raise funds.
Check with other community organizations, such as churches, to see if they have by-the-pound fundraising sales.
Find out if any of the used bookstores in your area hold regular sales where they sell some of their stock by the pound.
Keep on eye on your newspaper and local shopping blogs to see if any bookstores are going out of business and are having by-the-pound final clearance sales.
Go to the Books by the Pound store if you are in the Chicago area. This used bookstore sells all of its books by the pound. It also sells books on tape, CDs, journals, picture frames and photo albums--all by the pound. The store is located at 602 Davis St,, Evanston, Illinois.