The Penguin Problem (Ready, Freddy! #19)

With more than 3.2 million copies sold across all channels, READY, FREDDY! is a huge success with first-grade readers!Freddy's first-grade class is learning all about penguins -- including the fact that some species are endangered. When Freddy suggests a penny drive to help save the penguins, everyone loves the idea. But Freddy can't find his penny jar! How will he save the penguins now?