The Trials of Apollo, Book One: The Hidden Oracle

After angering Zeus, the god Apollo is banished from Olympus and transformed into a mortal teenager in New York City. Stripped of his divine powers, Apollo must navigate the challenges of the modern world while seeking a way to regain his father's favor. With numerous enemies, including gods, monsters, and humans eager to see his downfall, Apollo turns to Camp Half-Blood, a sanctuary for demigods, in hopes of finding allies in his quest for redemption.