Cover Characteristics: Book Covers Featuring Phones

It's another week of Cover Characteristics, and I'm just so glad we're past the TV week, haha. This week it's phones! Honestly, I don't understand how people lived before phones were invented. Not even just cell phones but landlines. Do you ever think about that? I mean, people had to just go to someone's house and knock on their door, hoping they were home, if they wanted to talk. Or they had to...