A mystery surrounds the old yellow house on Surprise Island! Years ago, a man vanished from the house, and no one knows how or why. Now a long-lost clue leads the Aldens to investigate the mystery—and to a new adventure! --
by Gertrude Chandler Warner ; illustrated by Mary Gehr.
Paging and publisher may vary.
Accelerated Reader AR LG 3.2 3 5303.