Pluto is incredibly proud of his place in the solar system. But everything changes the day he receives a shocking phone call from scientists back on Earth. They tell him he is officially no longer considered a planet. Upset and confused by the news, Pluto decides to travel through space to understand exactly what happened. He brings you along on a hilarious tour of the galaxy, stopping to talk with the other planets, moons, and asteroids. Along the journey, Pluto shares his feelings and learns fascinating facts about his celestial neighbors. You will meet the entire cosmic neighborhood as they try to cheer up their small, icy friend. This clever and funny story is packed with real science and plenty of laughs. It is a fantastic way to explore the wonders of our solar system while enjoying a wildly entertaining adventure through the stars.