Nope, It’s NOT Harry Potter! It’s a book called The Poky Little Puppy by Janette Sebring Lowrey, copyright 1942. I plunked down 4 bucks the other day and made the investment in this book to study why it was so successful. Here’s a few quick observations: 1. Just about everyone loves puppies. (Except for serial killers, who … More What’s the best selling children’s book of all time?