One of my favorite children's book is Knuffle Bunny by Mo Williams. Not only is the book a wonderful read for children and adults it has also been made into an animated film. Mo Williams is a phenomenal writer!
Here is a link that you shows you his book Knuffle Bunny and gives you even more information.
http://www.amazon.com/Knuffle-Bunny-Cautionary-Mo-Willems/dp/0786818700