Gertrude Chandler Warner
The children are attending Camp Coral, where they learn about the ocean and all the things in it — coral, fish, dolphins, and other sea creatures. They find a beautiful hidden beach, but then learn that it holds a terrible secret. Once again, the Boxcar Children must come to the rescue!
An orchestra is coming to town! The children are excited to hear the orchestra play, to meet the musicians, and to learn how to make their own instruments. The orchestra is also displaying a very valuable, old piece of music. But when it mysteriously disappears, it's up to the Boxcar Children to find it!
13) Caboose mystery
A trip in a caboose at the end of a freight train leads to an old clown and a search.