On a quest to find out what happened to his missing brother, a scientist, his nephew and their mountain guide discover a fantastic and dangerous lost world in the center of the earth.

When a Miami dentist inherits a team of sled dogs, he's got to learn the trade or lose his pack to a crusty mountain man.

It's a few days before Christmas. As they have always done, widowed schoolteacher Tom Pullman, his 13-year-old daughter Hilly, and their dog Toby are driving from their Chicago home to Vail, Colorado to spend Christmas with Tom's ...