AR Bookfinder.com: Search for Accelerated Reader books by author, title, subject or book level.
Sylvan Book Adventure: A list of books for children that lists their reading level. Appropriate for children and parents looking for age- and skill-appropriate books.
First5California: The first place to go for everything children 0 to 5.
Family Place Library Resources: Parent education and family support resources, including early childhood development, literacy, and education; books and toys for children; and Get Ready to Read! resources.