ALA announced the winners at the Midwinter Conference in San Diego, CA.

Clare Vanderpool, author of “Moon Over Manifest”and Erin E. Stead, illustrator of“A Sick Day for Amos McGee,”are the 2011 winners of the John Newbery and Randolph Caldecott Medals, the most prestigious awards in children’s literature.

For other award winning books, visit the American Library Association website.