Scavenger and dragons

The story is about a little scavenger names Avery and Moonwatcher's winglet. Moon and her winglet are on a task to get scavengers as their pets into them. Avery and Moon become great friend, but little does anyone know Avery isn't from the wings of fire world she is from the world called Earth and Avery doesn't care to make it back to her world. She wants to stay on the world she's in right now with moon. But while Avery is staying in the wings of fire world, there is some trouble.