I'm thinking about reading a longer (chapter) book to my four-year-old pre-k class. I would do maybe half a chapter per day and it would need to be a beginning chapter book with some pictures. I was thinking of reading either when we begin naptime (takes mine a while to fall asleep) or during afternoon snack. I did this when I student taught in kindergarten, and they loved it. Are kids this age too young for it? Should I wait until after Christmas to start? What books would you suggest?