Nadia Rising by Forrest Dartt

Nadia Zarathustra is the incarnation of Huma, a bird of Persian legend whose touch or shadow has the power to grant healing or great fortune. Chosen by her tribal leaders to become the modern day Queen of the Flyers, Nadia and her friends must withstand a sinister plot unleashed by an ancient enemy of the tribe. Er Kishi, the Arbiter of the Underworld, seeks to reclaim the glory now bestowed upon Nadia. Can she infiltrate the Huma Bird's trusted inner circle of protection?