The Last Dragon Chronicles #3: Fire Star

Fire Star is the thrilling final book in Chris d'Lacey's dragon trilogy. The evil sibyl, Gwilanna, is back, and it's up to David Rain to stop her latest plan—this time she's determined to bring to life a real dragon! She needs the Tooth of Ragnar and enlists the help of the powerful polar bear, Ingavar. Are David and his friends strong enough to face polar bears, dragons, and evil sibyls, or will Gwilanna finally succeed?