About The Book Join Jet Propulsion and his friends as they travel to Pluto in this Level 2 Ready-to-Read based on a popular episode of PBS’s hit show Ready Jet Go!Jet and his friends are going on a journey all the way to Pluto! Come along and learn about the dwarf planet way out at the edge of our solar system. This Level 2 Ready-to-Read includes bonus back matter content with lots of fun facts about Pluto! © Copyright 2018 Jet Propulsion, LLC. Ready Jet Go! is a registered trademark of Jet Propulsion, LLC.