Based on characters created by H. A. Rey and the Curious George television series, in this science storybook, Curious George learns about the ocean.  This adventure actually begins in the sky.  Curious George and the man in the yellow hat are in a helicopter when they learn a weather satellite from space just fell into the ocean.  They are involved in the retrieval and get to ride in a submarine.  In his trip underwater, George learns about animals and plants that live there.  Side panels provide additional nonfiction information.  In the back are experiments and activities (answers included) and a glossary.  This is a great introduction to aquatic life, ecosystems, and sonar/echo science for young children.