Not to worry, this isn't school. You're not in a classroom. You don't have to take notes, there won't be a test on any of this, and you're not going to be barraged with bare-bones information. This isn't one of those books without pictures.
Honestly, pictures are downright necessary if you're going to learn about anything, I think. They're just so illuminating, and they can be a wonderful jumping-off point to learning even more about the world. Here are some fascinating ones to get you going!