Jem is turning eight years old. And there's just one thing he wants for his birthday: a prospecting trip with Strike-it-rich Sam. With his grown-up friend to watch out for him, Jem's parents say yes. It's off for two weeks in the mountains to find gold But this trip isn't going as planned. There are more tall tales from Sam than there are deep pockets of gold ore. And the map to rich diggings they brought along doesn't have any treasure at the...