What's the biggest danger you can think of? This is bigger. What's the toughest challenge you can imagine? This is tougher. What's the greatest fear you have? You're about to find out.They came in summer. They fell upon the land swiftly and suddenly. Through autumn they spread, like locusts, like mice, like a plague. Now it's winter. They're still here. But so too are Ellie and Homer and their friends.