Below the surface

"A thirteen-year-old boy finds a pocket watch linked to a local legend about a lost treasure. Theo is happy spending his summer searching the river for treasure. Even if he mostly just finds empty cans and fishing lures. But when he discovers a pocket watch in the waters beneath a bridge that's said to be haunted, he is sure his luck has changed. Theo soon learns that the pocket watch is linked to a local legend about a ghost and buried treasure....