What happens as soon as Sam sets foot on Oak Island to visit his grandfather is more exciting than he could have hoped for. As if the discovery of a human skull and a dangerous run-in with a monstrous digging machine weren't enough, Sam also discovers that even though his grandfather is losing his memory, he hasn't forgotten about what's important-like taking risks and refusing to let mysteries go unsolved. | The Money Pit Mystery by Eric Walters, Paperback | Indigo Chapters