The End of Oz
In Paige’s action-packed fourth book in the Dorothy Must Die series, just when Amy Gumm thought it was safe to start rebuilding the damaged Land of Oz, she was betrayed. Now she's following the Road of Yellow Brick on a dangerous journey from Oz to the twisted land of Ev where the Nome King rules a bleak and angry world. But what she’s about to discover is shocking: her original mission to kill Dorothy was not successful. Amy realizes that her job is only just beginning and she must foil Dorothy’s plans for revenge and fight to free Oz, the land she's come to love, from evil once and for all.