Goober McGee has a bad habit. He eats his boogers! His older brother, Sludge, warns him that he could come down with a case of Boogeritis. Goober thinks Sludge is pulling his leg. Then one day he wakes up and he's green-everywhere! Goober begins to panic. Was Sludge really right? Will he have to go to school like this? How does he get rid of it?