R. J. Palacio, #1 New York Times bestselling author of WONDER, hails this adventure series as "Mind-blowingly beautiful. . . . A must-read."Think Star Wars meets Avatar: The Last Airbender!5 Worlds. 3 Unlikely Heroes. 1 Epic Battle for the Galaxy!Oona Lee surprised everyone--including herself--when she lit the first beacon to save the Five Worlds from extinction. Can she light the other four beacons in time? Next stop, Toki! On the blue planet, Oona must face the sister who l