Dragon Games, Book Two of the Wereding Chronicles

Blood and flames are what you get, when dragons play their games.

Robin wishes to find her sister Rose, who disappeared after their father's killer, but Robin too is hunted by the wolf helmed Kain, who killed her father.

At the same time she must harness the magic that boils in her blood, before it turns her into a red-scaled monster.

Robin sets out to find out what she can about the mysterious half-men half-beast Weredings who may have kidnapped her sister.

Who is the mysterious sorcerer Luna and what are her designs for Robin?