The Underland Chronicles, Book 4: Gregor and the Marks of Secret

Rich in suspense and brimming with adventure, the New York Times-bestselling Underland Chronicles unfold the fate of the Underland and the great warrior, Gregor.*Suzanne Collins is also the author of the bestselling Hunger Games trilogy.

In the fourth volume of the critically acclaimed Underland Chronicles, Gregor is drawn ever deeper into a brewing crisis. For generations, rats have run the mice-or “nibblers”-out of whatever lands they've claimed, keeping them constantly on the move. But no...