The Aldens are spending sunny days at the shore and summer nights in a mobile home right on the beach! One morning, Benny finds a gold necklace in the sand. Soon a search for its owner begins, and a trail of clues leads the children to Tower House. What will the Boxcar Children find in the strange old mansion? Graphic Planet is an imprint of Magic Wagon, a division of ABDO Group. Grades 2-4.