It was looking like another average day on Skyline Space Station until a burning spaceship passed by the window of the 4th grade classroom.

By lunchtime, Marcus, Astrid, and Dax found themselves accidentally in charge of helping some strange visitors who had arrived on their station.  Could there really be dinosaurs on board?

It takes a lot of quick thinking, and some rules may or may not get broken, but the kids do their best to help some big, scary guests navigate the hazards of a space station where they are not welcome....