In this chapter, we learn that we're not the only ones who've been living in the mountains. We're also introduced to a whole new group of people who have been living on the other side of the world. We learn that they're called "moms," "dads," and "uncles" . We also learn that "uncle" is a slang term for a guy who's been around a long time, so it's no surprise that he's a little older than the other guys. The other guys are shocked that you guys would come back