A: This is a huge library. B: Yes, it has lots of rooms and lots of space. A: And lots of books. B: And lots of thieves. A: What do you mean? B: I mean, keep your belongings close to you. A: The only thing in my backpack is used books. B: But thieves don't know that. A: They might think that I've got an iPod or laptop in there. B: Now you're thinking. A: You'd think a library would be safe from thieves. B: Not even a church is safe from thieves.