That depends on the structure and scale of the sale. Our local library sells most of the books at the biannual sales. Granted, many of those sell for very little; prices decline over several weeks so the things discarded wouldn't sell even for pennies.
they do and it's usually an auction but at a penny each is not worth the time to even post it. Also, not many people are buying old books unless they are collectibles. So more than just books go straight into the dump.
Even libraries that go to the trouble of doing this throw away probably a thousand books for every one they can sell.
That depends on the structure and scale of the sale. Our local library sells most of the books at the biannual sales. Granted, many of those sell for very little; prices decline over several weeks so the things discarded wouldn't sell even for pennies.
they do and it's usually an auction but at a penny each is not worth the time to even post it. Also, not many people are buying old books unless they are collectibles. So more than just books go straight into the dump.