"What is a UGB and what do you do when one turns up out of nowhere? Find out with MJ and his classmates Nur and Xiao Ming!"
The third book in MJ's Classroom, this story is based on Article 3 of the United Nations Convention on the Rights of the Child:
The best interests of the child must be a primary consideration in all decisions and actions affecting the child, or children as a group. This hold true whether decisions are made by governmental, administrative or judicial authorities or by families themselves.