Potty Training Handbook Author:D. Preston Smith The good news about potty training is that it happens; the bad news is that it may not happen easily. This handbook provides suggestions, approaches, and new techniques to make potty training a success. — D. Preston Smith MD, FACS, FAAP, FSPU is a Pediatric Urologist who believes that each child is different and there are many different approache... more »s. You select the best approach for your unique child.« less