The Aldens spend their summer trtaveling in a houseboat! But when a black car shows up at every place they dock, the children begin to think someone is after something on the boat. Can they figure out what the pursuer could be after?
The Aldens spend their summer trtaveling in a houseboat! But when a black car shows up at every place they dock, the children begin to think someone is after something on the boat. Can they figure out what the pursuer could be after?