Skyshade ( book #3 in Lightlark series )

Skyshade continues the epic journey of Isla Crown as the battle for the realms reaches a critical turning point. With alliances fractured and darkness spreading, Isla must confront the full truth about her powers and the prophecy that surrounds her. As war looms and ancient magic awakens, love and loyalty are tested like never before. The choices Isla makes now could either save the realms—or destroy them forever.