There are incredible numbers of Internet sites related to children's books. Here are only a few:

Visit my blog for a list of kidlit bloggers.

http://usawrites4kids.drury.edu                

This website seeks to promote literacy and creativity by introducing young readers, parents, teachers, and librarians to the work of “real, live” children’s authors.

http://www.cbcbooks.org                     

The Children’s Book Council (CBC) is a non-profit trade organization dedicated to encouraging literacy and the use and enjoyment of children's books

http://scbwi.org

A Web site of interest to those of you who write and/or illustrate children’s books or think you might like to. It includes information on regional workshops and conferences.

http://whitebarnpress.com

This isn't actually a site dealing with children's literature.  Instead, it deals with writing resources for teachers and provides students with an audience for their writing.

http://www.acs.ucalgary.ca/~dkbrown/index.html

A site of links and lists of books.

http://www.sharyn.org

Sharyn November edits children's books for a major publisher.  Her website includes links to children's publishers and libraries with child-oriented pages.

http://www.ala.org/booklist

Go to the bottom of the screen for "Reviews of Books for Youth." If you go to their "Booklist Editors' Choice" section, you will find a subsection under 1997, 96, etc, entitled Adult Books for Young Adults, which may interest older readers.

http://alexia.lis.uiuc.edu/puboff/bccb

The homepage for a book review journal for school and public librarians. 

http://scils.rutgers.edu/~kvander/AuthorSite/index.html

This is just what it says it is--a site of links to author and illustrator home pages.