Gertrude Chandler Warner
18) Blue Bay mystery
Author
Formats
Description
The Boxcar Children are vacationing on an uninhabited South Seas island, but soon suspect that someone else may be there too-- someone who may not want them around!
19) Surprise Island
Author
Description
"Henry, Jessie, Violet and Benny used to live alone in a boxcar. Now they have a home with their grandfather and are spending the summer on their own private island. There's a mysterious stranger on the island who must keep his identity a secret. And that's not the only surprise in store for the Boxcar Children on Surprise Island!"--Page 4 of cover.