Race to Witch Mountain: The Junior Novel

Cabdriver Jack Bruno is about to go on the ride of his lifetime. When he picks up two teenagers named Seth and Sara he quickly discovers that their teenage angst is far from ordinary. Seth can pass through objects and Sara can move items with her mind (when she's not reading yours). The reason? They are from another planet and have crash-landed on Earth. Now, with Jack's help, they must recover their spaceship or risk the destruction of their planet�and ours.