Windborn (Fated Stars, #1)

The Age of Fire is coming. It's written in the stars.Trapped by dark magicians, the air nymph Kiri is running out of time. Like the rest of her kind, she's bound to her homeland, and if she doesn't return in seven days, she'll die. Her only hope is in the magicians' young apprentice, Darien, whose fierce gaze belies a kind heart. Despite her warnings, he helps her escape, and Kiri soon finds herself fleeing from relentless pursuers who will stop at nothing to recapture her and kill the boy ...