Here is a link to a mock Newbery award:
Here is a link to a mock Caldecott award:
These two links provide writers and editors with examples of new literature that are potential award winning children's books. This is a great resource for writers to find out what types of children's books are currently popular.
Writing and Illustrating Children' Books for Publication: Two Perspectives, by Berthe Amos and Eric Suben. It is filled with all sorts of good information, checklists, writing exercises, case histories, reading lists, and advice. It was published in 1995, but it is still the best resource I've found. Also very good (and also from Writer's Digest Books, my favorite source for writing books) is the book/workbook set called You Can Write Children's Books, by Tracey E. Dils
Nice tip, Timothy! Welcome to AW!