An illness cursing the land forces seventeen-year-old Vega, the Last Astronomer, to venture across the wilderness to discover the stars message that will save her people.

"Something is coming from deep space. Big enough to destroy the entire solar system. And it's heading straight for Earth. That's what Dr. Ben Rollins, head of Harvard's exoplanet research team, is told after being dragged out of bed in the middle of the night. His first instinct is to call his daughter, Jessica, who's vacationing in Italy with his wife: Something is coming, he tells them, a hundred times the mass of the sun. We can't see it, we don't...