Carol Hurst's Children's Literature Site
http://www.carolhurst.com/index.html
Reviews, ways to use books in the classroom, curriculum ideas, etc.
Children's Book Council
Trade organization with monthly newsletter of new book releases and lots of features including author/illustrator pages with how to organize an author visit.
Book Spot
One stop shopping for all types of books, children's is considered a genre.
Picturing Books
http://picturingbooks.imaginarylands.org/
A website about Picture Books. Great information!!
Search Institute
http://www.search-institute.org/
Great information on child/adolescent development issues.
Amazon
Books, books, books
Guys Read
"A literacy program to connect boys with books" from Jon Scieszka
Red Balloon Book Shop
http://www.redballoonbookshop.com/NASApp/store/IndexJsp
Great local, independent book seller
Wild Rumpus
http://www.wildrumpusbooks.com/NASApp/store/IndexJsp
Another great independent book seller.
Horn Book Magazine
http://www.hbook.com/index.shtml
New Moon Magazine
Cooperative Children's Book Center
http://www.education.wisc.edu/ccbc/
Free newsletter for information for Birth-6, books, fingerplays, literacy tips, etc