Acclaimed author Nancy Krulik pens New York Times best-selling fiction for children and young adults. In this fourth installment of her humorous George Brown, Class Clown series, Krulik continues the misadventures of a kid who's as likable as he is trouble prone. Burps are bad, but super burps are even worse. So when George comes down with a serious case of the super burps, he fears he's going to ruin Field Day for everyone.