The Yellow House Mystery, 3 - Gertrude Chandler Warner

The Boxcar Children are determined to solve the mystery that surrounds an oldyellow house on their grandfather's property. Strange things have happened inthat house where long ago a man disappeared. 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!