Everyone's favorite first grader is back -- and ready to go green!Freddy's first-grade class is learning all about Earth Day, and all about the little things that even kids can do to help the planet. If Freddy can complete all ten points on the Earth Day Challenge list, he gets to join Team Green!Just in time for Earth Day and filled with fun activities that readers can easily try at home, Save the Earth! is perfect for Ready Freddy fans who want to go green!