The Trials of Apollo Series Books 1 - 4 Collection Box Set by Rick Riordan:
The Hidden Oracle (The Trials of Apollo Book 1):
The latest series from international bestselling author, Rick Riordan He was once an immortal God. Now, he's a teenage boy called Lester. Apollo has angered his father Zeus for the last time. So, how do you punish an immortal? By making him human. Obviously. Cast down from Olympus, he's weak, disorientated and stuck in New York City as a teenage boy.
The Dark Prophecy (The Trials of Apollo Book 2):
He was once an immortal God, now he's an awkward teenager. Things aren't going well for Apollo. There's only one way he can earn back Zeus' favour, and that's to seek and restore the ancient oracles - but that's easier said than done. Apollo must head to the American Midwest where, rumour has it, a haunted cave may hold answers.
The Burning Maze (The Trials of Apollo Book 3):
The only way out is a series of scary and dangerous trials, of course.For his third trial, Apollo must journey through the Labyrinth to free an Oracle who only speaks in puzzles.Then, defeat the most vicious of three very vicious Roman Emperors. (All without the use of his godly powers.)
The Tyrant’s Tomb (The Trials of Apollo Book 4):
The fourth book in Rick Riordan's The Trial of Apollo series. The bestselling top 10 hardback, now available in paperback!Things are getting very bad, very fast, for Apollo . . . The former God Apollo is having a pretty rough time of it. Well, for one thing, he's been turned into a human and banished from Olympus.