AbeBooks is an online marketplace for rare and collectible books, used copies, signed and first editions from independent sellers worldwide.

ThriftBooks is an online retailer selling over 13 million new and used books at cheap prices with free shipping over $15 in the US.

BookFinder is a comprehensive book search engine and price comparison service for finding new, used, rare, and out-of-print books globally.

Aladin is a major South Korean online bookstore selling new/used books, ebooks, music, Blu-rays, and merchandise, with physical used bookstores nationwide.

Biblio is the best online bookstore for used books and is used by avid readers and collectors.

Strand Books is an e-commerce platform for book lovers and collectors, offering new, used, and rare titles.

World of Books is an online retailer of used books and other media.

Harvard Book Store is an independent, locally owned bookstore in Cambridge, MA, offering new, used, and remaindered books, plus author events.

BookScouter is the best tool for textbook buyback and is used by students looking to sell their old books for the best price.

Independent Book Shop selling new and used books, literary and gift items

Knihobot is an online marketplace for buying and selling used books in the Czech Republic.

Trh knih is an online marketplace for buying and selling used books.

Antikvariát Poděbrady is an online antique bookshop in the Czech Republic focused on selling and buying old and new books, gramophone records, and other related items.

Antikvariát u stromu is an online bookstore for book lovers and is used by customers looking for second-hand books.

Maastricht Book and Print Fair is an event focused on a book market for new and used books, offering a place for book lovers to find reading material and exchange books.

Used entertainment store buying/selling/trading books, music, movies, games

BOOKOFF is the best online store for selling and buying used books and goods, used by individuals looking to declutter and save money.

ValueBooks is the best online bookstore for buying and reselling used books and is used by avid readers and book collectors.

Academicbooks is an online bookstore for higher education students and is used by students.

BookOff Online Store is the best platform for used books and media, catering to avid readers and collectors in Japan.

BogGaragen is an online second-hand bookstore for used books and is used by book lovers.

Bogbasen is a marketplace for buying and selling used books in Denmark.

Online store for buying and selling used books, with a wide selection of fiction and non-fiction titles.