Under the Stars (High School Musical Stories from East High, Super Special)

The students of East High are going green! When the environmental science classes take a trip to a nearby state park, the kids think it will be all fun and games. But between collecting water samples, taking hikes, and learning to ride some rather temperamental horses, drama is right around the corner. Then two of the students go missing and everyone has to team up to make sure that the trip doesn't end in disaster.