Your little baby is growing up. Time to say, "Goodbye, diapers " They won't be missed. While you may be completely on board with the idea of potty training, getting a toddler excited is another story. In this adorable illustrated book by bestselling author Mary Lee, a little girl is very happy to become a big girl. This is a great story to help tots understand the basic steps of going potty, and encourages them to get excited about it.