Au revoir, Pluto! In this beloved revised classic, beginning readers and budding astronomers are launched on a wild trip to visit the eight planets in our solar system (per the International Astronomical Union’s 2006 decision to downgrade Pluto from a planet to a dwarf planet), along with the Cat in the Hat, Thing One, Thing Two, Dick, and Sally. It’s a reading adventure that’s out of this world!"There is a big gap between 'concept' books written for preschoolers and nonfiction that requires fluent reading skills.The Cat in the Hat's Learning Librarybooks introduce beginning readers to important basic concepts about the natural world. They provide the critical foundations upon which complex facts and ideas can eventually be build. In addition,The Cat in the Hat's Learning Libraryshows young readers that books can be entertaining and educational at the same time. This is a wonderful series!" -- Barbara Kiefer, Associate Professor, Reading and Literature Teachers College, Columbia UniversityDr. Seussis quite simply the most beloved children’s book author in the world.Dr. SeussUS