Henry, Jessie, Violet, and Benny Alden discover that a mystery surrounds the run-down yellow house on Surprise Island. The children find a letter and other clues that could lead them on the trail of a man who vanished from the house. Join The Boxcar Children in their graphic novel adventure to solve the yellow house mystery! Graphic Planet is an imprint of Magic Wagon, a division of ABDO Group. Grades 4-8.