Each title - A section on surface features - Descriptions of noteworthy explorations - A list of questions remaining for future explorers - A fact summary box.
Quick read if you're an adult. Fun to go through, interesting facts in it like how neptune is about the size of 50 earths. Very inspiring to learn about space and how it was only recently in time that we even learned Neptune existed (18th century) and are just now discovering a lot more about its weather patterns and the like.