Without a doubt, Wonder World is one of the best tween/teen series to come about in a long time. These stories are inspiring readers of all ages to put down their video games and read. This exciting series follows a group of teens to a planet on the other side of the Sun and takes you along for the ride Book four begins with the conclusion of their encounter with the red slime-shrooms in the alien city of Cappamotia and brings the reader to the skyscraper-tall jungle where the ten inch, photosynthetic primates known as the Greeple live.