This was a favorite book of mine when I was much younger. I used to beg my grandma to read it to me whenever she came over. There's just something about the wonderful artwork, the hands on quality of the book, and of course the story itself of the cute little caterpillar that eats and eats and eats some more until he feels sick and goes into his cacoon to hide and comes out a beautiful butterfly; that still brings back wonderful memories. I recently bought this book for a co-worker, who has two daughters ages 5 and 1 and they both love the story, since it works on so many different levels.