you can use these for your students to contact authors (or their people). It was suggested that students tweet their reviews of the authors' books to them.
Novel Conversations is a free statewide lending library creating conversations across county lines and within communities. Through Novel Conversations, Indiana Humanities lends sets of books to Indiana book clubs, offers program and discussion suggestions, arranges author speaking events, and extends social sharing opportunities.
We lend more than 360 titles, primarily fiction and biography, to reading and discussion groups at libraries, senior centers, schools, and other organizations, free of charge. Books include classic titles such as Little Women and To Kill a Mockingbird , as well as contemporary titles such as The Poisonwood Bible and The Time Traveler's Wife. View the book list for a complete listing.
This blog, started by two New York moms, reviews many children's books. They are searchable by title, author, reading level, and more. Their rating system is a bit different than many other (such as levels of humor)