AbeBooks.Com
Offers new, used, rare and out of print books, textbooks, and ephemera. Represents a wide variety of independent booksellers located throughout the world
Academia: YBP
Academia is YBP's online collection development resource for all academic libraries. Academia includes selection lists of new books, publishing industry news, award-winning titles, and other features to aid collection development in academic libraries of every size and type.
Booklist Online
Published by the American Library Association, provides a guide to current print and nonprint materials worthy of consideration for purchase by small and medium-sized public libraries and school library media centers
Library Journal Online
The single-most comprehensive publication for librarians, with analytical news reports covering technology, management, policy, and other professional concerns. Its hefty review sections evaluate nearly 7000 books annually, along with hundreds of audiobooks, videos, databases, web sites, and systems that libraries buy.
Publishers Weekly
An international news website of book publishing and bookselling including business news, reviews, bestseller lists, commentaries a weekly news magazine focused on the international book publishing business. It offers feature articles and news on all aspects of the book business, bestsellers lists in a number of categories.
WorldCat
WorldCat.org lets you search the collections of libraries in your community and thousands more around the world. You can search for popular books, music CDs and videos, as well as many new kinds of digital content, such as downloadable audiobooks. You may also find article citations with links to their full text; authoritative research materials, such as documents and photos of local or historic significance; and digital versions of rare items that aren't available to the public.