Maya and the Lord of Shadows

"Maya and her friends aren't going down without a fight. She's honing her guardian powers, with the help of two new allies . . . But when an attack hits close to home, Maya doesn't have any more time to prepare. She must face the Lord of Shadows or risk losing everything. With her friends . . . Maya leads the charge in an epic showdown that takes her across worlds and to the edge of the universe"--Provided by publisher.