eBay
3. Chegg
4. BookScouter
5. TextbookRush
6. Powell’s Books
7. Cash4Books
8. TextbookManiac
9. SellBackYourBook
10. Barnes & Noble
11. ValoreBooks
12. BookByte
13. CampusBooks
14. BookFinder
15. eCampus
16. TextbookX
17. BookMob
18. Textbook Recycling
19. CKY Books
20. MyBookBuyer
21. Blue Rocket Books