Amazon.com
http://www.amazon.com

A totally virtual store with no physical counterpart outside of cyberspace. Offers online comments from readers and authors and invites visitors to the site to contribute book reviews. Search feature allows visitors to locate authors, titles, publishers, ISBNs, and other bibliographic information on in- and out-of-print books.

Barnes and Noble
http://www.barnesandnoble.com

Billed as the world's largest online bookstore, also offers advanced search features useful for retrieving bibliographic information.

Houghton Mifflin Education Place
http://www.eduplace.com/

Resources and support for major textbook programs from publisher Houghton Mifflin, plus general resources for all K-8 content areas. Contains numerous related Internet links.

Scholastic
http://www.scholastic.com

An excellent source of information on children's books published by Scholastic. Offers many practical teacher resources.

Teachers @ Random
http://www.randomhouse.com/teachers/

Hundreds of popular book titles from the Random House group of publishers, with teaching ideas and interdisciplinary connections for each, useful links to other sites, and much more.

Troll Communications
http://www.troll.com

A wealth of information related to books published by Troll, along with resources tied to the popular Troll Book Clubs and Book Fairs. The site includes areas of interest to classroom teachers, reading specialists, librarians, and parents.

The Wright Group
http://www.wrightgroup.com

Teacher information about ordering books from this publisher/distributor and attending workshops. Also contains a “TeacherHelp” section.