The book was about a group of high school kids who are kidnapped while on a field trip. They are taken to a space ship that was last here during the dinosaurs and the habitat has them in it. The ship is run by a computer and the last species studied were a starfish like species. The kids find out that there is an evil program that causes the ship to shoot flames at the planet as it leaves destroying most of the planet. They must find it before it destroys the Earth like it did 65 million years ago.