Try a keyword search in the Library Catalogue to find more (e.g. "children's literature" will bring up lots of results; you could also get more specific and search "children's literature and feminism" or "children's literature and curriculum".
Try some of the following resources to find journal or newspaper articles on an author/book or children's literature criticism.
Many primary classrooms use Big Books to share books in a group setting. E-books can be used as digital big books by using a projector, document camera or SMARTboard to display the book to the class.