The Secret of the Junkyard Shadow

Cabin Creek is a small town with a lot of big secrets!  The cousins discover a mysterious stranger sneaking into the local dump. When bikes, toasters, and other items disappear all over town, they begin to suspect he might be up to no good. But when these items show up again, fixed and freshly painted, Jeff, David, and Claire are confused. What kind of thief repairs and returns his stolen goods?