Sharyn November's Author Links http://www.sharyn.org/ Scroll down to "resources" for links to authors.
Yahoo http://dir.yahoo.com/Arts/Humanities/Literature/Authors/Young_Adult/ Yahoo's directory of YA authors.
Cynthia Leitich Smith Children's Literature Resources http://www.cynthialeitichsmith.com/ Features bibliographies, author/illustrator interviews, original articles, annotated links, and more. Focuses include multicultural, horror, cats.
Chris Chrutcher's Authorized Web Site http://www.aboutcrutcher.com/ A site dedicated to the novels of Chris Crutcher.