معمای یاقوت ستاره‌ای

The Boxcar Children have entered the Ruby Hollow Gem Mine{u2019}s annual gem-hunting competition. With a little instruction and the right gear, the Aldens have everything they need to become real rock hounds! They have a natural talent for rock-finding, and it{u2019}s not too long before Jessie makes a fabulous find. But before she can enter her ruby in the competition, it disappears! Could there be a thief at the mine? Now, instead of digging for rocks, the Aldens are digging for clues. Who wants to win the contest so much that they are willing to steal from the Aldens? The children don{u2019}t know, but they are determined to find out! The Alden children are visiting a gem mine that is holding its annual gem-hunting competition. It's not long before Jessie makes a fabulous find. But just when she's about to win the contest for finding the biggest ruby, her gem disappears! The Aldens take part in a hunt at a gem mine and discover that someone is out to sabotage the contest.