Besty Bird, a librarian at the New York Public Library who blogs about children's literature on her popular A Fuse #8 Production website, suggests checking out these blogs to find out more about kid's books:
Read Roger run by Roger Sutton, the editor of Horn Book Magazine
Bookshelves of Doom run by Leila, a librarian of Kennebunk, ME
Big A little a run by Kelly Herold, a midwestern language professor
Mother Reader run by Pam Coughlan, children's library assistant in northern Virginia.
Oz and Ends run by J.L. Bell, a writer, editor and researcher.