By Jill Gordon
Computers and the Internet have transformed the publishing industry and slowed down demand for books. However, the web has also been good news for book lovers, with many terrific sites dedicated to lowering books costs and freeing avid readers from the local library. If you’re an avid reader or serious book collector, here are 100 awesome sites for buying, selling and trading your books.

Sites for Buying Books

Buying books online is a smart way to go. Shoppers can research titles, authors and always find the exact book they want. Check out these great sites before buying your next book online.

1. Amazon: One of the largest online retailers in the world, Amazon got its start selling books and is one of the largest booksellers in the world today.
2. eBay: The online auction house offers great deals on used, new and even rare books.
3. Google Product Search: The Internet’s most powerful search engine is offering a powerful search product tool that makes finding any title easy.
4. Half.com: The little brother of eBay, this site offers books at deeply discounted fixed prices rather than forcing users to bid.
5. Barnes & Noble: The venerable bookseller has kept pace with the modern marketplace becoming a leading online retailer.
6. Books-A-Million: A place to find discounted bestsellers and used titles.
7. Better World Books: Buy used books and help fund literacy projects around the world. To date this site as saved over 25 million books from landfill and raised over $6 million.
8. College Banana: This site lets college students find cheap, discount books for class.
9. The Book Hound: The Book Hound is a great site for finding used books for any kind of reader.
10. Books Price: Compare, shop and save money on textbooks. This great site lets users instantly compare prices from multiple sites.
11. Quality Books: This site helps connect users with independent sellers from around the world
12. Virgin Books: Billionaire mogul Richard Branson’s Virgin line of companies has finally expanded to include books. Search for the latest titles on Virgin Book’s beautiful site.
13. Craigslist: The free online classifieds site is a quick and easy way to find books in your own backyard.
14. eCRATER: This site sells millions of used and new publications from nonfiction to magazines.
15. Valore Books: A cheap, reliable marketplace for student’s to find textbooks.
16. McGraw-Hill Professional: This site from the McGraw-Hill publishing company sells top of the line professional guides and manuals on thousands of topic and industries.
17. Campus Books: College students can search this great site for over 8 million titles to buy their textbooks online.
18. Cheap Books: An awesome site offering textbooks for any class or major.
19. Powell’s Books: New or used, there’s nothing Powell’s won’t sell. Find the latest bestseller or pick up an out of print classic.

Best Sites for Selling Books

Selling your library online can be quick and easy. Plenty of sites are ready and willing to take those old books. Some are just better than other, however. Here are the best sites to sell your books online.

21. Books Into Cash: A great site offering a tool that checks a book’s value based on ISBN.
22. Blue Rectangle: Sell your books on this site offering free shipping.
23. Cash4Books: Sell your used books in four easy steps.
24. BookByte: A resource for college students to sell their books online. Quick, easy and pay with PayPal.
25. Jitterbook: This highly rated textbook buyer is known for fair valuations and quick payments.
26. Book Scouter: Sell your books to this retailer or compare the value other sites will pay.
27. CKY Books: Get an instant quote for any book from used fiction to old college textbooks. No shipping costs from this reliable dealer make CKY a worthwhile site.
28. Sell Back Books: After selling your books, this site offers a direct deposit option for fast payment.
29. Textbook Buyer: Around since 2001, this online book store purchases college textbooks and even pays for shipping. Search multiple ISBNs for quick quotes.
30. Sell Back Your Book: Search the ISBN, get a quote and print the pre-paid shipping label. A quick, simple and easy way to sell your books online.
31. MyBookBuyer: Sell your old hardcovers, paperbacks and textbooks with this easy to use site.
32. Swapbooks: Take your pick: sell to the site or sell on your own. Swapbooks offers free listing to help users sell books on their own. For the impatient, the site offers to buy your old books.
33. WeBuyYourBooks: A simple process for selling books online, this retailer offers price matching. If you can get a better quote for your books they’ll match it.
34. Sell.com: An online classifieds site for random items. The books section is extensive and free to list an unlimited number of books.
35. BigWords: Comparison shop and get the best price for your used college textbooks with this extremely colorful retailer.
36. Buy Sell Old Books: An extremely large online bookstore based in India, this site offers thousands of fiction and non-fiction topics.
37. Campus Grotto: A wonderful resource for college students to sell their books locally.

Best Sites for Trading Books

Any garage sale or flea market is packed with old books somebody doesn’t want. Instead of recycling, donating or selling those paperbacks, trade them in to update your home library. Here are the best sites for swapping books.

41. Paperback Swap: This community trades books among its members.
42. Book Crossing: Several hundred thousand book lovers spread across 130 countries sharing their passion for books by sharing their libraries.
43. Novel Action: Don’t wait around to swap with other members, this clever resource lets you get books by sending in an equal number of books.
44. Bookins: With over 500,000 books to trade and swap, postage is free for sending items but shipping costs are added to receive items.
45. Book Mooch: Give books away and earn points that can be redeemed for new books.
46. Monter Trade: A great tool for thrifty college students to trade old textbooks for the ones they need next semester.
47. Title Trader: A site for swapping used books. Site requires users start trading before they can receive anything.
48. Swap Tree: List the items you’re willing to trade, then this site’s algorithm goes to work calculating the trading value of your items. Then swap with other members across the country with pre-paid postage.
49. Text Swap: A free textbook exchange service catering largely to American college students.
50. What’s On My Bookshelf: Book exchanging, trading and swapping, this site links readers based on a point system. The more points you earn by giving books away, the more books you can receive.
51. Read It Swap It: A free service allowing users to exchange books with others.
52. Socialbib: A great ook swapping network between students.
53. Book-Swap: This trading network gets its members to meet in person to trade and discuss their favorite books.
54. Home School Book Swap: This resource for home schooling, lets parents trade books and other materials.
55. Care To Trade: An online market for trading books or any other unneeded items laying around the house.
56. Swap-Online: An online swap meet where members can exchange old books for new ones.

Best Sites for Buying, Selling and Trading Rare Books

Books become rare for a variety of reasons. Some are first editions while others are out of print cult classics. For the hardcore reader willing to track down hard to find titles, these are the best sites for rare books.

61. Book Finder: A book shopping search engine that helps users locate rare used books.
62. Antiquarian Booksellers’ Association of America: The largest trade organization representing antiquarian book dealers. Search for the hard to find classic among 300 dealers.
63. Abe Books: This wonderful site is a collector’s dream. Search and buy rare books from independent sellers or established dealers.
64. Biblio.com: An online marketplace for
65. Beagle Books: Buy and sell used and out of print books from users in over 40 countries.
66. Alibris Rare & Collectible: An online network of independent book sellers, Alibris offers one of the largest databases of rare and out of print book on the web.
67. AddALL: Search hundreds of online booksellers for books, textbooks or reference material.
68. Cats Cradle Books: A large online retailer of any kind of rare book from medical reference to poetry anthologies.
69. Bibliomania Books: This antiquarian book based in upstate New York specializes in rare and valuable volumes.

Sites for Publishing and Selling Your Own Work

Many avid readers are frustrated novelists dreaming of the day they finally get published. For the brave and daring few willing to take a chance and publish their own work, head to these great self-publishing sites.

71. 48hr Books: Instant gratification for authors, this publisher offers a range of services such as binding and cover design.
72. Lulu.com: An amazing resource for aspiring authors. Self-publish and even sell your work on this site’s popular marketplace.
73. Book Surge: This publishing service offers a community of writers, readers and top quality editors.
74. Create Space: A wonderful site offering writers tools for self-publication as well as distribution through retailers such as Amazon.
75. Wing Span Press: Take control of your professional destiny with this self-publishing service. Distributes books online and lists works with the Library of Congress.
76. Word Clay: Self-publishing services combined with marketing and distribution makes Word Clay the hopeful author’s best friend.
77. Writing.com: Having an actual published book is nice but in the 21st century, everything is going digital. Publish your next masterpiece online with this comprehensive writing site.
78. iUniverse: A site that allows writers to become published authors, iUniverse gives amateurs access to expertise in marketing, publishing and technology.
79. Self Publishing.com: Offering all services necessary for the independent self-publisher, this resource can help with layout, cover design and marketing.
80. Xlibris: A book publishing guide for authors and print on demand service.

Best Online Libraries and Book Rental Services

The Netflix model of offering an unlimited selection of movies without late fees has proven extremely versatile. Web sites are starting to offer the same service with books, music and even clothes. Here are the best online libraries and book rental services available.

81. Books Free: The best known book rental service on the Web, Books Free has made media rounds from Oprah to CNN. Members pay a flat rate fee and check out books from a list. You only get more books once you return the ones you’ve been given. It works almost exactly like Netflix.
82. Book Swim: The first book rental service available online, Book Swim recommends users keep 15 books in their queue at any given moment.
83. Book Renter: Rather than a Netflix model, BookRenter is more like your local video store. With five flexible rental periods, readers are allowed to go their own pace. No rush.
84. Campus Book Rentals: A rental portal exclusively for textbooks, college students can save hundreds and simply return the books when the semester is over.
85. Chegg: The Web’s leading online textbook rental service, Chegg saves shoppers and students up to 85 percent.
86. Simply Audio Books: No library late fees or tiresome reading, this site offers over 20,000 audio books with convenient, fast delivery.
87. Audio Book Worm: Unlimited rentals, no due dates and thousands of selections, AudioBookworm is a great resource for readers who can’t be bothered to actually read.
88. Paper Spine: One of the web’s best online book rental service, Paper Spine has over 200,000 titles from best sellers to biographies.
89. Books-Clubs:
90. On The Go Books: Free shipping, no late fees and thousands of available audiobooks make this site a must for literary commuters.

Best Social Sites for Book Lovers

Social networks are great places for readers to connect and discuss their favorite books. Some social sites offer incredible organization tools such as virtual bookshelves and lifelong reading lists. Check out these awesome social networking sites for book lovers.

91. Shelfari: Rate books, build virtual book shelves and share reviews. Shelfari is one of the leading networking site for book lovers online and is an all around great for day to day visits.
92. Book Jetty: Create a virtual library and reading list, then connect your information with friends. This great site tells you which friends have the books you want to read next.
93. Good Reads: Finally join a book club, share reviews or find your next favorite book, this network offers an active community of readers and quality discussion forums.
94. Anobii: This network helps readers from around the world discuss their favorite books and current reading material
95. BooksConnect: The social networking portion of a large European book site, BooksConnect allows readers to plan local events, discuss books and even chat with authors.
96. Library Thing: A great networking tool that lets users catalog their personal libraries and share them with others.
97. Reader 2: Reader 2 (read: Reader Squared) creates a social list of books to help users share reading experiences with one another.
98. Book Sprouts: An online networking tool that allows users to create their own web based book clubs with friends and family.
99. Revish: This networking tool allows amateur reviewers an outlet to share their thoughts with the public… or at least the site’s sizeable community of users.