Book three in a three book series of health adventures for readers 7-11. Grub is the messiest kid on the block. His hair is one big tangle, his clothes are covered with blotches and stains and his room looks like something exploded in it! It's going to take some drastic action - like an exploration through Mr. Picadilly's mouth or an encounter with giant body bugs - to get him to clean up his act. And Grub will need your help cracking codes, deciphering devious word scrambles and hunting down the stinkies hidden throughout this book!