The Hidden Oracle
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
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.There are a few things standing in his way though. The cave could kill him, or drive him insane.Oh, and a Roman Emperor, whose love of bloodshed makes Nero look tame.

The Burning Maze
He was a God once. Until he was cast out his father, Zeus. Now, he's an awkward teenager. Called Lester.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
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. And he's called Lester. But being an awkward mortal teenager is the least of his worries right now.

The Tower of Nero
The battle for Camp Jupiter is over. New Rome is safe. Tarquin and his army of the undead have been defeated. Somehow Apollo has made it out alive, with a little bit of help from the Hunters of Artemis. But though the battle may have been won, the war is far from over. Now Apollo and Meg must get ready for the final - and, let's face it, probably fatal - adventure.