I started this right after I finished the first one. It deals with Mosscap's tour of Panga to learn what humans need. It gets a lot of different answers. We get to experience the different areas of the world and the different ways people choose to live there in a sustainable fashion. No spoilers but Mosscap is presented with an ineresting philosophical question and it turns out Dex still hasn't really found what they're looking for. The ending is quite open and I'm looking forward to find out where the two are heading next.