The Guardian's children's books site is written by children and for children. You'll find reviews of children's books in every age range as well as interviews and a book club. Parents and teachers, don't worry, there is a link for you too!
http://www.hbook.com/resources/educators/default.asp
Horn Books - Reviews of children's books, articles and interviews of authors and illustrators. Great site for teachers/librarians. Includes recommended books, classroom tips and much more!
http://www.hboutofbox.blogspot.com/
Blog for Horn Books - catch up on the latest reviews, battle of the books information and more!
