Wingfeather saga

"Janner Igiby, his brother, Tink, and their disabled sister, Leeli, are gifted children as all children are, loved well by a noble mother and ex-pirate grandfather. But they will need all their gifts and all that they love to survive the evil pursuit of the venomous Fangs of Dang, who have crossed the dark sea to rule the land with malice. The Igibys hold the secret to the lost legend and jewels of good King Wingfeather of the Shining Isle of Anniera.'--...

Janner Wingfeather's father was the High King of Anniera, but his father is gone. The kingdom has fallen, the royal family is on the run, and the Fang armies of Gnag the Nameless are close behind. Janner and his family seek refuge in the last safe place in the world, the Green Hollows. But there's a big problem. Janner's little brother--heir to the throne of Anniera--has grown a tail. And gray fur. Not to mention two pointed ears and long, dangerous...