Dingo

Dingo by Charles de Lint
Seventeen-year-old Miguel Schreiber and a long-term enemy are drawn into a strange dream world when they fall in love with shapeshifting sisters from Australia--twins hiding from a cursed ancestor who can only be freed with the girls' cooperation.

The Lightning Thief (Percy Jackson and the Olympians Series #1)

The Lightning Thief (Percy Jackson and the Olympians Series #1) by Rick Riordan
Twelve-year-old Percy Jackson learns he is a demigod, the son of a mortal woman and Poseidon, god of the sea. His mother sends him to a summer camp for demigods where he and his new friends set out on a quest to prevent a war between the gods. Books in this series: Book 1. The Lightning Thief -- Book 2. The Sea of Monsters -- Book 3. The Titan's Curse -- Book 4. The Battle of the Labyrinth -- Book 5. The Last Olympian (May 2009)