In this chapter, we learn that Dr. Bledsoe's vision has been stolen, and that he's been separated from his family for a very long time. He's not sure if he'll survive on the ground, but he'd like to see the sky. He wants to breathe the air aboveground, and he wants to see what it's like to be on the other side of the world. He also wants to be able to communicate with the other scientists. He asks if they can get through the door to the top floor, and they tell him that they can't, because they don't know how to unlock the door. He tells them that they've been underground for 18 years, and now they're going to have to figure out a way to get him out of there. He says that he needs to find the passcode to get out of the room, and then he needs a picture frame to show it to his friends. He needs a book to read, and a photo frame to frame it. He doesn't have a passcode, so he has to use the code in the book to find out what's in the photo frame. He has to try the passcode on the book, and