Chapters 3 and 4 Summary

Bobby bundles up in winter clothes and wears his dad's sunglasses, so that he looks like a normal person so he can leave the house. He takes the bus to the library. When he gets to the library, he goes into the bathroom, completely undresses, and hides his bundle of clothes in the ceiling by moving one of the ceiling tiles. Bobby starts to explore the library in his invisible nature. After redressing, Bobby runs out of the library, in a hurry to make it home before his father does, as Bobby has been instructed not to leave the house, but did anyway. In his haste, he runs right into a girl and some items fall out of her backpack. As Bobby stoops to help her gather her things, his scarf falls off, which means that the girl can see that...