Agatha Armstrong and her trusty sidekick Mrs. Mac were once the world's most daring adventurers. But when her son Ant came along, everything changed and her devil-may-care ways took a backseat to being over-protective and terrified of anything that posed a risk. When Ant and his three friends discover a letter that hints the gold Tom Sawyer and Huck Finn found might actually be... (展开全部)